Microsoft · Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation) security updates

Patch Radar has 33 security fixes for Windows Server 2022, 23H2 Edition (Server Core installation), closing 1,751 CVEs, 60 of which are being exploited. The newest security fix is KB5087541 (25398.2330), released May 12, 2026. This product is no longer supported.

Unsupported product60 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
33
On record in Patch Radar
CVEs
1,751
Closed by those fixes
Exploited
60
Vendor report or CISA KEV

Security fixes, newest first

PriorityFixFixed inCVEsExploitedReleased
Urgent KB508754125398.2330 58 May 12, 2026
Patch now KB508206025398.2274 118 1 Apr 14, 2026
Urgent KB507873425398.2207 40 Mar 10, 2026
Patch now KB507589725398.2149 29 5 Feb 10, 2026
Patch now KB507345025398.2092 79 1 Jan 13, 2026
Patch now KB507154225398.2025 30 1 Dec 9, 2025
Patch now KB506877925398.1965 32 1 Nov 11, 2025
Patch now KB507087925398.1916 1 1 Oct 23, 2025
Patch now KB506678025398.1913 114 3 Oct 14, 2025
Urgent KB506542525398.1849 61 Sep 9, 2025
Urgent KB506389925398.1791 57 Aug 12, 2025
Urgent KB506257025398.1732 98 Jul 8, 2025
Patch now KB506011825398.1665 39 2 Jun 10, 2025
Patch now KB505838425398.1611 43 5 May 13, 2025
Patch now KB505552725398.1551 75 1 Apr 8, 2025
Patch now KB505359925398.1486 37 6 Mar 11, 2025
Patch now KB505198025398.1425 34 2 Feb 11, 2025
Patch now KB504998425398.1369 128 3 Jan 14, 2025
Patch now KB504865325398.1308 57 1 Dec 10, 2024
Patch now KB504661825398.1251 35 2 Nov 12, 2024
Routine KB5046399 1 Oct 8, 2024
Patch now KB504428825398.1189 86 2 Oct 8, 2024
Patch now KB504305525398.1128 38 3 Sep 10, 2024
Patch now KB504157325398.1085 50 4 Aug 13, 2024
Patch now KB504043825398.1009 88 3 Jul 9, 2024
Patch now KB503923625398.950 30 3 Jun 11, 2024
Patch now KB503778125398.887 48 1 May 14, 2024
Patch now KB503691025398.830 83 2 Apr 9, 2024
Patch now KB503585625398.763 36 1 Mar 12, 2024
Patch now KB503476925398.709 43 2 Feb 13, 2024
Urgent KB503413025398.643 35 Jan 9, 2024
Urgent KB503338325398.584 19 Dec 12, 2023
Patch now KB503220225398.531 31 4 Nov 14, 2023

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