Microsoft Server Security Advisories & CVEs
1207 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-2026-96940] Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 14; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server Subscription Edition RTM; Microsoft Exchange Server 2019 Cumulative Update 15.
High [CVE-2026-83498] Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability Affected product named by the advisory: Windows Server 2025.
High [CVE-2026-84000] Microsoft Graphics Component Remote Code Execution Vulnerability
Microsoft Graphics Component 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-2026-83997] Windows Message Queuing Remote Code Execution Vulnerability
Windows Message Queuing Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-83995] Windows NTFS Elevation of Privilege Vulnerability
Windows NTFS 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-2026-83992] Windows Imaging Component Remote Code Execution Vulnerability
Windows Imaging Component 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-2026-83990] Microsoft Graphics Component Elevation of Privilege Vulnerability
Microsoft Graphics Component Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-83989] Windows Services for NFS ONCRPC XDR Driver Denial of Service Vulnerability
Windows Services for NFS ONCRPC XDR Driver 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-2026-83985] Windows Biometric Service Elevation of Privilege Vulnerability
Windows Biometric Service Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-69598] Windows iSCSI Remote Code Execution Vulnerability
Windows iSCSI 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-2026-72965] Windows WebClient Service Elevation of Privilege Vulnerability
Windows WebClient 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-2026-69530] Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-81963] Windows Update Stack Elevation of Privilege Vulnerability
Windows Update Stack Elevation of Privilege Vulnerability Affected product named by the advisory: Windows Server 2025.
High [CVE-2026-83940] Windows Device Association Service Elevation of Privilege Vulnerability
Windows Device Association Service Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-81955] Windows Graphics Component Remote Code Execution Vulnerability
Windows Graphics Component 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-2026-81354] Windows Hello Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally. Affected products named by the advisory: Windows Server 2019; Windows Server 2019 (Server Core installation).
High [CVE-2026-80096] Windows Remote Desktop Services Elevation of Privilege Vulnerability
Windows Remote Desktop Services 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-2026-77481] Microsoft SQL Server Remote Code Execution Vulnerability
Microsoft SQL Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SQL Server 2017; Microsoft SQL Server 2019; Microsoft SQL Server 2022; Microsoft SQL Server 2025.
High [CVE-2026-66819] Microsoft SQL Server Elevation of Privilege Vulnerability
Microsoft SQL Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft SQL Server 2017; Microsoft SQL Server 2019; Microsoft SQL Server 2022; Microsoft SQL Server 2025.
High [CVE-2026-78457] Windows Security Health Service Elevation of Privilege Vulnerability
Windows Security Health Service Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.