Microsoft Server Security Advisories & CVEs
955 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-2026-45640] Windows Bluetooth Port Driver Elevation of Privilege Vulnerability
Windows Bluetooth Port Driver Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-45607] Windows Hyper-V Remote Code Execution Vulnerability
Windows Hyper-V Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
High [CVE-2026-45641] Windows Hyper-V Remote Code Execution Vulnerability
Windows Hyper-V Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-45648] Windows Active Directory Domain Services Remote Code Execution Vulnerability
Windows Active Directory Domain Services Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-45656] UEFI Secure Boot Security Feature Bypass Vulnerability
UEFI Secure Boot 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.
High [CVE-2026-47288] Windows Kerberos Key Distribution Center (KDC) Remote Code Execution
Windows Kerberos Key Distribution Center (KDC) Remote Code Execution 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-2026-41092] Microsoft Kinect Elevation of Privilege Vulnerability
Microsoft Kinect 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-2026-47631] Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 14; Microsoft Exchange Server 2019 Cumulative Update 15; Microsoft Exchange Server Subscription Edition RTM.
High [CVE-2026-45588] Secure Boot Security Feature Bypass Vulnerability
Secure Boot 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.
High [CVE-2026-47648] Windows Storage Elevation of Privilege Vulnerability
Windows Storage 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-2026-47654] 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.
High [CVE-2026-48563] 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.
High [CVE-2026-42828] Windows Projected File System Elevation of Privilege Vulnerability
Windows Projected File System Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2019; Windows Server 2025.
High [CVE-2026-45586] Windows Collaborative Translation Framework (CTFMON) Elevation of Privilege Vulnerability
Windows Collaborative Translation Framework (CTFMON) 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-2026-45592] Windows Internet (wininet.dll) Elevation of Privilege Vulnerability
Windows Internet (wininet.dll) Elevation of Privilege 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.
High [CVE-2026-45593] Windows SDK Elevation of Privilege Vulnerability
Windows SDK Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
High [CVE-2026-45597] Windows UI Automation Manager (uiamanager.dll) Elevation of Privilege Vulnerability
Windows UI Automation Manager (uiamanager.dll) Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
High [CVE-2026-45599] Windows UPnP Device Host Remote Code Execution Vulnerability
Windows UPnP Device Host 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-2026-45636] Windows NTFS Remote Code Execution Vulnerability
Windows NTFS Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2019; Windows Server 2025; Windows Server 2016; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
High [CVE-2026-45654] Secure Boot Security Feature Bypass Vulnerability
Secure Boot Security Feature Bypass Vulnerability Affected product named by the advisory: Windows Server 2025.