{"id":6565,"date":"2025-08-08T14:55:51","date_gmt":"2025-08-08T19:55:51","guid":{"rendered":"https:\/\/www.liongard.com\/?p=6565"},"modified":"2025-08-08T14:55:51","modified_gmt":"2025-08-08T19:55:51","slug":"microsoft-exchange-hybrid-vulnerability-how-msps-can-find-fix-and-monitor-risks-with-liongard","status":"publish","type":"post","link":"http:\/\/64.4.160.99\/liongard\/blog\/microsoft-exchange-hybrid-vulnerability-how-msps-can-find-fix-and-monitor-risks-with-liongard\/","title":{"rendered":"Microsoft Exchange Hybrid Vulnerability: How MSPs Can Find, Fix, and Monitor Risks with Liongard"},"content":{"rendered":"<p><span data-contrast=\"auto\">The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued <\/span><b><span data-contrast=\"auto\">Emergency Directive ED 25-02<\/span><\/b><span data-contrast=\"auto\"> in response to a high-severity Microsoft Exchange hybrid-joined vulnerability <a href=\"https:\/\/www.cisa.gov\/news-events\/alerts\/2025\/08\/06\/microsoft-releases-guidance-high-severity-vulnerability-cve-2025-53786-hybrid-exchange-deployments\">CVE-2025-53786, CVSS 8.0<\/a><\/span><span data-contrast=\"auto\">\u00a0The flaw allows attackers with post-authentication access to <\/span>move laterally from on-prem Exchange to Microsoft 365, <span data-contrast=\"auto\">a serious risk for federal systems and any hybrid Exchange environment.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Scope:<\/span><\/b><span data-contrast=\"auto\"> Microsoft 365 tenants, Active Directory, and Windows Server hosts running on-prem Exchange.<\/span><br \/>\n<b><span data-contrast=\"auto\">Risk:<\/span><\/b><span data-contrast=\"auto\"> Privilege escalation in Exchange Online without detection.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><a href=\"http:\/\/64.4.160.99\/liongard\/\"><span data-contrast=\"none\">Liongard<\/span><\/a><span data-contrast=\"auto\"> enables MSPs to find exposures fast, act quickly, and continuously monitor for drift delivering immediate customer wins while building a sustainable security workflow.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><strong>Steps for remediation with Liongard:\u00a0\u00a0<\/strong><\/p>\n<p aria-level=\"3\"><strong>Phase 1 | Assessment &amp; Discovery\u00a0<\/strong><\/p>\n<p><b><span data-contrast=\"auto\">Goal:<\/span><\/b><span data-contrast=\"auto\"> Find hybrid environments, pinpoint affected servers, size the risk.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><strong>Locate Hybrid Tenants\u00a0<\/strong><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Liongard Metric: <\/span><i><span data-contrast=\"auto\">Office 365: Directory Sync Enabled<\/span><\/i><span data-contrast=\"auto\"> (Microsoft 365 Inspector)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\">Value: Instantly confirms if a tenant is hybrid.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Identify Vulnerable Exchange Builds<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Liongard Metric: <\/span><i><span data-contrast=\"auto\">Windows Server: Running Microsoft Exchange<\/span><\/i><span data-contrast=\"auto\"> (filter by CVE-affected versions).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\">Optional: Custom metric for a clean list of at-risk servers.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Build a Visual Insights Dashboard<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Include: Hybrid state, Exchange servers + versions, on-prem\/cloud privileged accounts.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\">Value: One view of hybrid state, admin access, and server risk.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p aria-level=\"3\"><strong>Phase 2 | Risk &amp; Exposure Audit\u00a0<\/strong><\/p>\n<p><b><span data-contrast=\"auto\">Goal:<\/span><\/b><span data-contrast=\"auto\"> Baseline admin accounts and verify MFA controls.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Baseline On-Prem Privileged Accounts<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Liongard Metrics: AD privileged users, domain admins, groups.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Baseline Cloud Privileged Accounts<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Liongard Metrics: O365 privileged users, global admins, active privileged users in last 30 days.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Verify MFA Enforcement<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Liongard Custom Metric: Spot privileged accounts missing enforced MFA.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p aria-level=\"3\"><strong>Phase 3 | Monitoring &amp; Alerting\u00a0<\/strong><\/p>\n<p><b><span data-contrast=\"auto\">Goal:<\/span><\/b><span data-contrast=\"auto\"> Detect and respond to privilege changes and patch status.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Alert on AD Privilege Changes<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Trigger: New privileged account or privilege escalation.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Alert on M365 Privilege Changes<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Trigger: New global admin or sensitive role changes.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Monitor Exchange Patch Status<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Liongard Metrics: Installed\/available updates; optional metric for missing CVE patch.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p aria-level=\"3\"><strong>Phase 4 | Ongoing Visibility\u00a0<\/strong><\/p>\n<p><b><span data-contrast=\"auto\">Goal:<\/span><\/b><span data-contrast=\"auto\"> Maintain daily awareness and audit readiness.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Track Drift in Timeline<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Save filtered views for hybrid state, privileged accounts, Exchange versions.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\">Value: Automatic, defensible change history.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p aria-level=\"3\"><strong>Immediate Value\u00a0<\/strong><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"5\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Quick Scope:<\/span><\/b><span data-contrast=\"auto\"> Find hybrid instantly with <\/span><i><span data-contrast=\"auto\">Directory Sync Enabled<\/span><\/i><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"5\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Targeted Patching:<\/span><\/b><span data-contrast=\"auto\"> Patch only vulnerable servers.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"5\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Privilege Clarity:<\/span><\/b><span data-contrast=\"auto\"> Single-page view of all admin accounts.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"5\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Change Awareness:<\/span><\/b><span data-contrast=\"auto\"> Automated PSA alerts for risky changes.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"5\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"5\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Audit-Ready:<\/span><\/b><span data-contrast=\"auto\"> Continuous, provable history of critical changes.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><strong>\u00a0Bonus: Prepare for Windows 10 End of Support &#8211; October 2025\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">This is the perfect moment to tackle another high-impact project: migrating legacy Windows 10 machines.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">The Challenge:<\/span><\/b><span data-contrast=\"auto\"> Manual compatibility checks are slow, resource-heavy, and error-prone.<\/span><br \/>\n<b><span data-contrast=\"auto\">The Liongard Advantage:<\/span><\/b> <a href=\"http:\/\/64.4.160.99\/liongard\/blog\/the-windows-10-countdown-is-on-turn-chaos-into-client-value\/\">Automated Windows 11 readiness <\/a><span data-contrast=\"auto\">checks for every endpoint \u00a0instantly revealing which machines are ready, which aren\u2019t, and why.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">MSP Benefits:<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"6\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Plan Ahead:<\/span><\/b><span data-contrast=\"auto\"> Present upgrade roadmaps with exact counts and reasons.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"6\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Save Time:<\/span><\/b><span data-contrast=\"auto\"> Scan entire fleets in minutes, not weeks.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"6\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Win Deals:<\/span><\/b><span data-contrast=\"auto\"> Use compatibility data to stand out in sales conversations.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"6\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Build Trust:<\/span><\/b><span data-contrast=\"auto\"> Prevent issues before they hit end-of-support.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"6\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"5\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Drive Revenue:<\/span><\/b><span data-contrast=\"auto\"> Every incompatible device is a hardware refresh or project opportunity.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Get Started:<\/span><\/b><span data-contrast=\"auto\"> Use Liongard\u2019s <\/span><i><span data-contrast=\"auto\">Windows Workstations Status Report<\/span><\/i><span data-contrast=\"auto\"> with the Windows 11 Compatibility widget. Drill into clients, export reports, and set PSA alerts for incompatible machines.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><a href=\"http:\/\/64.4.160.99\/liongard\/about\/request-a-demo\/\">Connect with us<\/a> to learn more about solving for <b><span data-contrast=\"none\">CVE-2025-53786<\/span><\/b><span data-contrast=\"none\">, <strong>CVSS 8.0<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued Emergency Directive ED 25-02 in response to a high-severity Microsoft Exchange hybrid-joined vulnerability CVE-2025-53786, CVSS 8.0\u00a0The flaw allows attackers with post-authentication access to move laterally from on-prem Exchange to Microsoft 365, a serious risk for federal systems and any hybrid Exchange environment.\u00a0 Scope: Microsoft 365 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6695,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[69,70,71],"tags":[107,75,76,77,83,87,88],"class_list":["post-6565","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-liongard","category-cybersecurity","category-msps","tag-microsoft-cve","tag-asm","tag-asset-inventory","tag-attack-surface-management","tag-msp","tag-managed-security-services","tag-mssp"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Liongard for Microsoft Exchange hybrid-joined vulnerability<\/title>\n<meta name=\"description\" content=\"Learn about the Microsoft Exchange hybrid vulnerability CVE-2025-53786 and how Liongard helps MSPs find, fix, and monitor risks fast.\" 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