Microsoft Server Security Advisories & CVEs
1355 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-2023-21818] Windows Secure Channel Denial of Service Vulnerability
Windows Secure Channel Denial of Service Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2023-21817] Windows Kerberos Elevation of Privilege Vulnerability
Windows Kerberos Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2023-21816] Windows Active Directory Domain Services API Denial of Service Vulnerability
Windows Active Directory Domain Services API Denial of Service Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2023-21805] Windows MSHTML Platform Remote Code Execution Vulnerability
Windows MSHTML Platform Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2023-21804] Windows Graphics Component Elevation of Privilege Vulnerability
Windows Graphics Component Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2012; Windows Server 2012 (Server Core installation); Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); and 5 more. Affected products named by the advisory: Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); Windows Server 2022.
High [CVE-2023-21802] Windows Media Remote Code Execution Vulnerability
Windows Media Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2023-21801] Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability
Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2023-21800] Windows Installer Elevation of Privilege Vulnerability
Windows Installer Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation).
High [CVE-2023-21798] Microsoft ODBC Driver Remote Code Execution Vulnerability
Microsoft ODBC Driver Remote Code Execution Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2023-21529] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 11; Microsoft Exchange Server 2019 Cumulative Update 12.
High [CVE-2023-21568] Microsoft SQL Server Integration Service (VS extension) Remote Code Execution Vulnerability
Microsoft SQL Server Integration Service (VS extension) Remote Code Execution Vulnerability Affected products named by the advisory: SQL Server Integration Services for Visual Studio 2019; SQL Server Integration Services for Visual Studio 2022.
High [CVE-2023-21718] Microsoft ODBC Driver for SQL Server Remote Code Execution Vulnerability
Microsoft ODBC Driver for SQL Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SQL Server 2008 R2 Service Pack 3 (QFE); Microsoft SQL Server 2008 Service Pack 4 (QFE); Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE); Microsoft SQL Server 2012 Service Pack 4 (QFE); and 9 more. Affected products named by the advisory: Microsoft SQL Server 2014 Service Pack 3 (CU 4); Microsoft SQL Server 2014 Service Pack 3 (GDR); Microsoft SQL Server 2016 Service Pack 3 (GDR); Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack; and 5 more. Affected products named by the advisory: Microsoft SQL Server 2017 (CU 31); Microsoft SQL Server 2017 (GDR); Microsoft SQL Server 2019 (CU 18); Microsoft SQL Server 2019 (GDR); and 1 more.
High [CVE-2023-21704] Microsoft ODBC Driver for SQL Server Remote Code Execution Vulnerability
Microsoft ODBC Driver for SQL Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SQL Server 2014 Service Pack 3 (CU 4); Microsoft SQL Server 2014 Service Pack 3 (GDR); Microsoft SQL Server 2016 Service Pack 3 (GDR); Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack; and 5 more. Affected products named by the advisory: Microsoft SQL Server 2017 (CU 31); Microsoft SQL Server 2017 (GDR); Microsoft SQL Server 2019 (CU 18); Microsoft SQL Server 2019 (GDR); and 1 more.
High [CVE-2023-21528] Microsoft SQL Server Remote Code Execution Vulnerability
Microsoft SQL Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SQL Server 2008 R2 Service Pack 3 (QFE); Microsoft SQL Server 2008 Service Pack 4 (QFE); Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE); Microsoft SQL Server 2012 Service Pack 4 (QFE); and 9 more. Affected products named by the advisory: Microsoft SQL Server 2014 Service Pack 3 (CU 4); Microsoft SQL Server 2014 Service Pack 3 (GDR); Microsoft SQL Server 2016 Service Pack 3 (GDR); Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack; and 5 more. Affected products named by the advisory: Microsoft SQL Server 2017 (CU 31); Microsoft SQL Server 2017 (GDR); Microsoft SQL Server 2019 (CU 18); Microsoft SQL Server 2019 (GDR); and 1 more.
Medium [CVE-2023-21699] Windows Internet Storage Name Service (iSNS) Server Information Disclosure Vulnerability
Windows Internet Storage Name Service (iSNS) Server Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 8 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation).
Medium [CVE-2023-21693] Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
Medium [CVE-2023-21687] HTTP.sys Information Disclosure Vulnerability
HTTP.sys Information Disclosure Vulnerability Affected product named by the advisory: Windows Server 2022.
High [CVE-2022-38023] Netlogon RPC Elevation of Privilege Vulnerability
Netlogon RPC Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2022-37992] Windows Group Policy Elevation of Privilege Vulnerability
Windows Group Policy Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more. Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.
High [CVE-2022-41100] Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); Windows Server 2016; Windows Server 2016 (Server Core installation); and 3 more. Affected products named by the advisory: Windows Server 2019 (Server Core installation); Windows Server 2022.