Windows Server Vulnerabilities & Security Advisories
2401 advisories tracked · Microsoft Security Update Guide (MSRC) · 64 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: 112 critical, 1675 high, 723 medium, 6 low.
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 Windows Server advisories
Medium [CVE-2026-70011] Windows IP Over USB Service Information Disclosure Vulnerability
Windows IP Over USB Service Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-70005] Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability
Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-69982] Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability
Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability Affected products named by the advisory: Windows Server 2012 R2; Windows Server 2016; Windows Server 2019; Windows Server 2022; and 1 more. Affected products named by the advisory: Windows Server 2025.
Medium [CVE-2026-69955] Windows Client for NFS Information Disclosure Vulnerability
Windows Client for NFS Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2012; Windows Server 2012 R2; Windows Server 2016; Windows Server 2019; and 2 more. Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-88140] Windows Key Storage Provider Information Disclosure Vulnerability
Windows Key Storage Provider Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2016; Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-87714] WebDAV Security Feature Bypass Vulnerability
WebDAV Security Feature Bypass Vulnerability Affected products named by the advisory: Windows Server 2012; Windows Server 2012 R2; Windows Server 2016; Windows Server 2019; and 2 more. Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-85939] Windows Kernel Security Feature Bypass Vulnerability
Windows Kernel Security Feature Bypass Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-85935] Windows USB Driver Information Disclosure Vulnerability
Windows USB Driver 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-2026-85916] Azure Active Directory Information Disclosure Vulnerability
Azure Active Directory Information Disclosure Vulnerability Affected product named by the advisory: Windows Server 2025.
Medium [CVE-2026-70277] Windows Fast FAT File System Driver Information Disclosure Vulnerability
Windows Fast FAT File System Driver 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-2026-70270] Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-70244] Windows DNS Server Information Disclosure Vulnerability
Windows DNS Server 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-2026-70216] Windows Mobile Device Management Tampering Vulnerability
Windows Mobile Device Management Tampering Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2016; Windows Server 2025.
Medium [CVE-2026-70170] Windows Kernel Denial of Service Vulnerability
Windows Kernel 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.
Medium [CVE-2026-70041] Windows CD-ROM Driver Information Disclosure Vulnerability
Windows CD-ROM Driver 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-2026-88162] Windows Encrypting File System (EFS) Tampering Vulnerability
Windows Encrypting File System (EFS) Tampering Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-88158] Microsoft Digest Authentication Information Disclosure Vulnerability
Microsoft Digest Authentication 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-2026-85865] Windows DHCP Server Security Feature Bypass Vulnerability
Windows DHCP Server 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-2026-85859] Windows Message Queuing Queue Manager Denial of Service Vulnerability
Windows Message Queuing Queue Manager 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.
Medium [CVE-2026-85857] Windows Kernel-Mode Drivers Information Disclosure Vulnerability
Windows Kernel-Mode Drivers 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-2026-85852] Windows Management Instrumentation Information Disclosure Vulnerability
Windows Management Instrumentation 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-2026-85840] Windows Event Viewer Information Disclosure Vulnerability
Windows Event Viewer 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-2026-85835] Servicing Stack Updates Information Disclosure Vulnerability
Servicing Stack Updates Information Disclosure Vulnerability Affected product named by the advisory: Windows Server 2025.
Medium [CVE-2026-85831] Windows Biometric Service Information Disclosure Vulnerability
Windows Biometric Service Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-85816] Windows Wi-Fi Driver Information Disclosure Vulnerability
Windows Wi-Fi Driver Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-85815] Windows Device Association Service Information Disclosure Vulnerability
Windows Device Association 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-2026-85812] Windows Bind Filter Driver Information Disclosure Vulnerability
Windows Bind Filter Driver Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-85793] Windows Sysmain Service Information Disclosure Vulnerability
Windows Sysmain Service Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2016.
Medium [CVE-2026-85790] Microsoft QUIC Information Disclosure Vulnerability
Microsoft QUIC Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-85337] Windows Remote Desktop Client Information Disclosure Vulnerability
Windows Remote Desktop Client 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-2026-85333] Windows Performance Monitor Elevation of Privilege Vulnerability
Windows Performance Monitor Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2012; Windows Server 2012 R2; Windows Server 2016; Windows Server 2019; and 2 more. Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-85331] Windows Device Association Service Information Disclosure Vulnerability
Windows Device Association Service 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-2026-85323] Network Device Enrollment Service (NDES) Spoofing Vulnerability
Network Device Enrollment Service (NDES) Spoofing 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-2026-84011] Windows SMB Client Security Feature Bypass Vulnerability
Windows SMB Client Security Feature Bypass Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-84007] Remote Desktop Gateway Service Information Disclosure Vulnerability
Remote Desktop Gateway 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-2026-84009] Windows Projected File System Tampering Vulnerability
Windows Projected File System Tampering Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-83926] Windows Hello Security Feature Bypass Vulnerability
Improper certificate validation in Windows Hello allows an authorized attacker to bypass a security feature locally. Affected products named by the advisory: Windows Server 2019; Windows Server 2019 (Server Core installation); Windows Server 2022; Windows Server 2025; and 1 more. Affected products named by the advisory: Windows Server 2025 (Server Core installation).
Medium [CVE-2026-83906] Windows Shell Spoofing Vulnerability
Windows Shell Spoofing Vulnerability Affected product named by the advisory: Windows Server 2025.
Medium [CVE-2026-70248] Windows Hyper-V Denial of Service Vulnerability
Windows Hyper-V Denial of Service Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-83885] Windows Virtualization-Based Security (VBS) Enclave Spoofing Vulnerability
Windows Virtualization-Based Security (VBS) Enclave Spoofing Vulnerability Affected products named by the advisory: Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-83865] Windows Internet (wininet.dll) Tampering Vulnerability
Windows Internet (wininet.dll) 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-2026-83864] Windows NTFS Information Disclosure Vulnerability
Windows NTFS Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-83854] Windows Notification Information Disclosure Vulnerability
Windows Notification Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-83798] Windows Update Stack Spoofing Vulnerability
Windows Update Stack Spoofing 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-2026-83776] Windows Bluetooth Driver Elevation of Privilege Vulnerability
Windows Bluetooth Driver Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-83760] Microsoft Bluetooth Driver Information Disclosure Vulnerability
Microsoft Bluetooth Driver Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-83719] Servicing Stack Updates Information Disclosure Vulnerability
Servicing Stack Updates Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-83706] Windows NTFS Elevation of Privilege Vulnerability
Windows NTFS Elevation of Privilege Vulnerability Affected product named by the advisory: Windows Server 2025.
Medium [CVE-2026-83667] Windows Active Directory Domain Services Denial of Service Vulnerability
Windows Active Directory Domain Services 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.
Medium [CVE-2026-83658] Windows Error Reporting Information Disclosure Vulnerability
Windows Error Reporting Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
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