Microsoft Server Windows Server Vulnerabilities & Security Advisories
1523 advisories tracked · Microsoft Security Update Guide (MSRC) · 61 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Microsoft Server advisory that VulniPulse classified as Windows Server, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 65 critical, 1087 high, 417 medium, 4 low.
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Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Source
Microsoft Security Update Guide (MSRC)
Polled via the official MSRC Security Update Guide RSS feed (api.msrc.microsoft.com, no credentials required), scoped to SERVER products only — Windows Server, Exchange, SQL Server, SharePoint, Hyper-V and companion server roles. Client-only CVEs (Edge, Office apps, consumer Windows) are filtered out via the monthly CVRF document's affected-product list.
Latest MS Server Windows Server advisories
High [CVE-2026-69275] Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-69284] Windows DCOM Server Elevation of Privilege Vulnerability
Windows DCOM Server Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-69277] Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability
Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-69280] Windows Push Notifications Elevation of Privilege Vulnerability
Windows Push Notifications Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-68850] Microsoft Account Elevation of Privilege Vulnerability
Microsoft Account Elevation of Privilege Vulnerability Affected product named by the advisory: Windows Server 2025.
High [CVE-2026-68876] Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-68827] Windows GDI+ Elevation of Privilege Vulnerability
Windows GDI+ Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-68828] Remote Desktop Client Remote Code Execution Vulnerability
Remote Desktop Client Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-56172] Windows VHD miniport driver Elevation of Privilege Vulnerability
Windows VHD miniport driver Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-62759] Windows Netlogon Spoofing Vulnerability
Windows Netlogon Spoofing Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-56198] Microsoft Trace Data Helper Elevation of Privilege Vulnerability
Microsoft Trace Data Helper Elevation of Privilege Vulnerability Affected product named by the advisory: Windows Server 2025.
High [CVE-2026-56177] Windows Server Elevation of Privilege Vulnerability
Windows Server Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-85880] Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2016; Windows Server 2012; and 1 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-84001] Windows Key Distribution Center Denial of Service Vulnerability
Windows Key Distribution Center Denial of Service Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-83999] Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability Affected product named by the advisory: Windows Server 2025.
High [CVE-2026-69492] Windows Partition Management Driver Elevation of Privilege Vulnerability
Windows Partition Management Driver Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-72940] Windows Schannel Remote Code Execution Vulnerability
Windows Schannel Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-72949] Windows SMB Server Network Transport Driver (srvnet.sys) Denial of Service Vulnerability
Windows SMB Server Network Transport Driver (srvnet.sys) Denial of Service Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-83942] Windows Kernel Elevation of Privilege Vulnerability
Windows Kernel Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-81355] Virtual Hard Disk (VHD) Miniport Driver Remote Code Execution Vulnerability
Virtual Hard Disk (VHD) Miniport Driver Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.