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
Medium [CVE-2026-67386] Microsoft SQL Server Information Disclosure Vulnerability
Microsoft SQL Server Information Disclosure Vulnerability Affected products named by the advisory: Microsoft SQL Server 2022; Microsoft SQL Server 2025; Microsoft SQL Server 2017; Microsoft SQL Server 2019.
Medium [CVE-2026-66816] Microsoft SQL Server Security Feature Bypass Vulnerability
Microsoft SQL Server Security Feature Bypass Vulnerability Affected products named by the advisory: Microsoft SQL Server 2022; Microsoft SQL Server 2025.
Medium [CVE-2026-62762] 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-2026-83991] Windows Cloud Files Mini Filter Driver Tampering Vulnerability
Windows Cloud Files Mini Filter Driver Tampering Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-70019] Windows Compressed Folder Information Disclosure Vulnerability
Windows Compressed Folder Information Disclosure Vulnerability Affected product named by the advisory: Windows Server 2025.
Medium [CVE-2026-78523] Windows DNS Server Denial of Service Vulnerability
Windows DNS Server 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-2026-67389] Microsoft SQL Server Information Disclosure Vulnerability
Microsoft SQL Server Information Disclosure Vulnerability Affected products named by the advisory: Microsoft SQL Server 2022; Microsoft SQL Server 2025.
Medium [CVE-2026-78508] 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-2026-77896] Windows Remote Desktop Client Denial of Service Vulnerability
Windows Remote Desktop Client Denial of Service Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016.
Medium [CVE-2026-77892] Windows Boot Manager Elevation of Privilege Vulnerability
Windows Boot Manager 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.
Medium [CVE-2026-72980] Windows Hello Security Feature Bypass Vulnerability
Uncontrolled search path element in Windows Hello allows an authorized attacker to bypass a security feature locally. Affected products named by the advisory: Windows Server 2016; Windows Server 2016 (Server Core installation); Windows Server 2019; Windows Server 2019 (Server Core installation); and 3 more. Affected products named by the advisory: Windows Server 2022; Windows Server 2025 (Server Core installation).
Medium [CVE-2026-72978] Active Directory Federation Services (AD FS) Denial of Service Vulnerability
Active Directory Federation Services (AD FS) 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-2026-69683] Microsoft Office SharePoint Information Disclosure Vulnerability
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network. Affected product named by the advisory: Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-69548] Windows RNDIS Information Disclosure Vulnerability
Windows RNDIS 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-2026-69469] Windows USB Audio Class driver (usbaudio.sys) Elevation of Privilege Vulnerability
Windows USB Audio Class driver (usbaudio.sys) Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Medium [CVE-2026-69382] Microsoft Exchange Server Information Disclosure Vulnerability
Microsoft Exchange Server Information Disclosure Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 15; Microsoft Exchange Server 2019 Cumulative Update 14; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server Subscription Edition RTM.
Medium [CVE-2026-69375] Microsoft Exchange Server Tampering Vulnerability
Microsoft Exchange Server Tampering 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-2026-69361] Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 14; Microsoft Exchange Server 2019 Cumulative Update 15; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server Subscription Edition RTM.
Medium [CVE-2026-72948] 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; and 2 more. Affected products named by the advisory: Windows Server 2012 R2.
Medium [CVE-2026-72945] Windows Task Scheduler Information Disclosure Vulnerability
Windows Task Scheduler Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2016.