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
Critical [CVE-2026-69730] Windows DNS Server Remote Code Execution Vulnerability
Windows DNS Server 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.
Critical [CVE-2026-69819] RPC Runtime Library Remote Code Execution Vulnerability
RPC Runtime Library 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.
Critical [CVE-2026-69525] Remote Desktop Services Remote Code Execution Vulnerability
Remote Desktop Services 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.
Critical [CVE-2026-69496] Windows Compressed Folder Remote Code Execution Vulnerability
Windows Compressed Folder 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.
Critical [CVE-2026-69463] Windows NTFS Remote Code Execution Vulnerability
Windows NTFS 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.
Critical [CVE-2026-69491] Microsoft DirectMusic Remote Code Execution Vulnerability
Microsoft DirectMusic 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.
Critical [CVE-2026-69431] Telnet Client Remote Code Execution Vulnerability
Telnet 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.
Critical [CVE-2026-69408] Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Microsoft Windows Media Foundation 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.
Critical [CVE-2026-69276] Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution Vulnerability
Microsoft UxTheme Library (uxtheme.dll) 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.
Critical [CVE-2026-65791] Windows iSCSI Target Service Remote Code Execution Vulnerability
Windows iSCSI Target Service 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.
Critical [CVE-2026-62893] Windows Deployment Services TFTP Server Remote Code Execution Vulnerability
Windows Deployment Services TFTP Server 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.
Critical [CVE-2026-62815] Microsoft QUIC Remote Code Execution Vulnerability
Microsoft QUIC Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Critical [CVE-2026-50481] Azure Active Directory Elevation of Privilege Vulnerability
Modification of assumed-immutable data (maid) in Azure Active Directory allows an authorized attacker to elevate privileges over a network.
Critical [CVE-2026-49798] 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; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
Critical [CVE-2026-54990] Remote Desktop Client Remote Code Execution Vulnerability
Remote Desktop Client Remote Code Execution Vulnerability Affected product named by the advisory: Windows Server 2025.
Critical [CVE-2026-49172] Windows FTP Service Remote Code Execution Vulnerability
Windows FTP Service Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2025; Windows Server 2022; Windows Server 2019.
Critical [CVE-2026-42990] SQL Server ODBC driver Elevation of Privilege Vulnerability
SQL Server ODBC 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.
Critical [CVE-2026-50380] Windows GDI+ Remote Code Execution Vulnerability
Windows GDI+ 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.
Critical [CVE-2026-50447] Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
Windows Message Queuing Service (MSMQ) 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.
Critical [CVE-2026-56159] DHCP Server Service Remote Code Execution Vulnerability
DHCP Server Service 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.