Microsoft · Microsoft

Windows Server, version 2004 (Server Core installation) security updates

Patch Radar has 21 security fixes for Windows Server, version 2004 (Server Core installation), closing 929 CVEs, 29 of which are being exploited. The newest security fix is KB5094127, released June 9, 2026. This product is no longer supported.

Unsupported product29 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
21
On record in Patch Radar
CVEs
929
Closed by those fixes
Exploited
29
Vendor report or CISA KEV

Security fixes, newest first

PriorityFixFixed inCVEsExploitedReleased
Urgent KB5094127 142 Jun 9, 2026
Patch now KB5008212 32 2 Dec 14, 2021
Patch now KB5007186 29 3 Nov 9, 2021
Patch now KB5006670 46 3 Oct 12, 2021
Patch now KB5005565 34 2 Sep 14, 2021
Patch now KB5005033 27 5 Aug 10, 2021
Patch now KB5004237 82 3 Jul 13, 2021
Patch now KB5003637 24 7 Jun 8, 2021
Patch now KB5003173 25 1 May 11, 2021
Patch now KB5001330 79 1 Apr 13, 2021
Patch now KB5000802 50 2 Mar 9, 2021
Patch now KB4601319 29 2 Feb 9, 2021
Urgent KB4598242 62 Jan 12, 2021
Urgent KB4592438 20 Dec 8, 2020
Patch now KB4586781 57 1 Nov 10, 2020
Urgent KB457931119041.572 50 Oct 13, 2020
Patch now KB457175619041.508 83 1 Sep 8, 2020
Patch now KB456678219041.450 88 2 Aug 11, 2020
High KB4566785 1 Jul 14, 2020
Patch now KB456550319041.388 92 1 Jul 14, 2020
Patch now KB455795719041.329 102 1 Jun 9, 2020

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