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-2026-78456] SQL Server Remote Code Execution Vulnerability
SQL Server Remote Code Execution Vulnerability Affected product named by the advisory: Microsoft SQL Server 2022.
High [CVE-2026-78444] Microsoft Failover Cluster Remote Code Execution Vulnerability
Microsoft Failover Cluster Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-78449] 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; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-78442] Windows OLE DB Remote Code Execution Vulnerability
Windows OLE DB Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SQL Server 2017; Microsoft SQL Server 2019.
High [CVE-2026-77905] Windows Management Instrumentation Elevation of Privilege Vulnerability
Windows Management Instrumentation 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-2026-77486] 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.
High [CVE-2026-77485] SQL Server Elevation of Privilege Vulnerability
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-2026-77484] Microsoft SQL Server Remote Code Execution Vulnerability
Microsoft SQL Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SQL Server 2019; Microsoft SQL Server 2022; Microsoft SQL Server 2025.
High [CVE-2026-73028] SQL Server Elevation of Privilege Vulnerability
SQL Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft SQL Server 2025; Microsoft SQL Server 2022; Microsoft SQL Server 2017; Microsoft SQL Server 2019.
High [CVE-2026-73017] Graphics Kernel Remote Code Execution Vulnerability
Graphics Kernel Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-73016] DirectWrite Remote Code Execution Vulnerability
DirectWrite 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-2026-73006] DirectWrite Remote Code Execution Vulnerability
DirectWrite Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-73012] Windows Management Services Elevation of Privilege Vulnerability
Windows Management 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-2026-73024] Windows Services for NFS ONCRPC XDR Driver Elevation of Privilege Vulnerability
Windows Services for NFS ONCRPC XDR 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-2026-73005] Windows Authentication Methods Elevation of Privilege Vulnerability
Windows Authentication Methods Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-73014] Data Sharing Service Client Elevation of Privilege Vulnerability
Data Sharing Service Client Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-73022] Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability
Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-73018] Graphic Fonts Remote Code Execution Vulnerability
Graphic Fonts 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-2026-72987] Windows DNS Remote Code Execution Vulnerability
Windows DNS 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-2026-72989] Windows Failover Cluster Information Disclosure Vulnerability
Windows Failover Cluster Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.