Microsoft Server Security Advisories & CVEs
1724 advisories tracked · Microsoft Security Update Guide (MSRC) · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Official 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 advisories
High [CVE-2026-6726] MITRE: CVE-2026-6726 TPM 2.0 Improper Object Slot Reuse
MITRE: CVE-2026-6726 TPM 2.0 Improper Object Slot Reuse Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-62872] .NET Framework Elevation of Privilege Vulnerability
.NET Framework Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft.NET Framework 4.8 on Windows Server 2016; Microsoft.NET Framework 4.8 on Windows Server 2012 R2; Microsoft.NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016; Microsoft.NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012; and 4 more. Affected products named by the advisory: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2; Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022; Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025; Microsoft .NET Framework 3.5 on Windows Server 2012 R2.
High [CVE-2026-65810] .NET Framework Elevation of Privilege Vulnerability
.NET Framework Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft.NET Framework 4.8 on Windows Server 2016; Microsoft.NET Framework 4.8 on Windows Server 2012; Microsoft.NET Framework 4.8 on Windows Server 2012 R2; Microsoft.NET Framework 3.5 AND 4.8 on Windows Server 2019; and 4 more. Affected products named by the advisory: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022; Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019; Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012.
High [CVE-2026-70354] .NET Core Remote Code Execution Vulnerability
.NET Core Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft.NET Framework 3.5 on Windows Server 2012; Microsoft.NET Framework 3.5 on Windows Server 2012 R2; Microsoft.NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016; Microsoft.NET Framework 3.5 AND 4.7.2 on Windows Server 2019; and 4 more. Affected products named by the advisory: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019; Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022; Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2.
High [CVE-2026-62886] .NET Elevation of Privilege Vulnerability
.NET Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft.NET Framework 3.5 on Windows Server 2012; Microsoft.NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012; Microsoft.NET Framework 4.8 on Windows Server 2012; Microsoft.NET Framework 4.8 on Windows Server 2012 R2; and 4 more. Affected products named by the advisory: Microsoft .NET Framework 4.8 on Windows Server 2016; Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2019; Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019; Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022.
Medium [CVE-2026-65795] Windows DNS Elevation of Privilege Vulnerability
Windows DNS Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-65777] Active Directory Security Feature Bypass Vulnerability
Active Directory Security Feature Bypass Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-62782] Windows SMB Client Information Disclosure Vulnerability
Windows SMB Client Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-62757] Windows Schannel Security Feature Bypass Vulnerability
Windows Schannel Security Feature Bypass 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.
Medium [CVE-2026-62730] Windows Wired AutoConfig Service Information Disclosure Vulnerability
Windows Wired AutoConfig Service Information Disclosure 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.
Medium [CVE-2026-61920] 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 1 more. Affected products named by the advisory: Windows Server 2012 R2.
Medium [CVE-2026-59131] AMD Zen Information Disclosure Vulnerability
AMD Zen Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 1 more. Affected products named by the advisory: Windows Server 2012 R2.
Medium [CVE-2026-62915] Microsoft Exchange Server Security Feature Bypass Vulnerability
Microsoft Exchange Server Security Feature Bypass Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server Subscription Edition RTM; Microsoft Exchange Server 2019 Cumulative Update 15; Microsoft Exchange Server 2019 Cumulative Update 14.
Medium [CVE-2026-62912] Microsoft Exchange Server Denial of Service Vulnerability
Microsoft Exchange Server Denial of Service Vulnerability Affected products named by the advisory: Microsoft Exchange Server Subscription Edition RTM; Microsoft Exchange Server 2019 Cumulative Update 15; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 14.
Medium [CVE-2026-62798] Win32k Information Disclosure Vulnerability
Win32k Information Disclosure Vulnerability Affected product named by the advisory: Windows Server 2025.
Medium [CVE-2026-62750] Windows HTTP Protocol Stack Tampering Vulnerability
Windows HTTP Protocol Stack Tampering 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.
Medium [CVE-2026-62715] Windows DHCP Server Information Disclosure Vulnerability
Windows DHCP Server Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 1 more. Affected products named by the advisory: Windows Server 2012 R2.
Medium [CVE-2026-62703] Windows DWM Core Library Information Disclosure Vulnerability
Windows DWM Core Library Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-62699] Windows Universal Disk Format File System Driver (UDFS) Remote Code Execution Vulnerability
Windows Universal Disk Format File System Driver (UDFS) 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.
Medium [CVE-2026-62702] Windows Graphics Kernel Denial of Service Vulnerability
Windows Graphics Kernel Denial of Service Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.