Microsoft · Microsoft

Windows Server 2012 R2 security updates

Patch Radar has 285 security fixes for Windows Server 2012 R2, closing 5,002 CVEs, 146 of which are being exploited. The newest security fix is KB5126836, released October 13, 2026.

146 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
285
On record in Patch Radar
CVEs
5,002
Closed by those fixes
Exploited
146
Vendor report or CISA KEV

Security fixes, newest first

PriorityFixFixed inCVEsExploitedReleased
Patch now KB5126836 649 1 Oct 13, 2026
High KB5127356 2 Oct 13, 2026
Patch now KB5123066 425 1 Sep 8, 2026
Patch now KB5120385 136 1 Aug 11, 2026
Patch now KB5099444 182 2 Jul 14, 2026
High KB5099415 1 Jul 14, 2026
Urgent KB5094041 63 Jun 9, 2026
High KB5094006 1 Jun 9, 2026
Urgent KB5087471 42 May 12, 2026
Urgent KB5082126 58 Apr 14, 2026
High KB5082806 1 Apr 14, 2026
Urgent KB5078774 32 Mar 10, 2026
High KB5078738 1 Mar 10, 2026
Patch now KB5075970 15 4 Feb 10, 2026
Patch now KB5073696 37 1 Jan 13, 2026
Urgent KB5071503 11 Dec 9, 2025
Urgent KB5068905 18 Nov 11, 2025
Patch now KB5070886 1 1 Oct 23, 2025
Patch now KB5066873 50 3 Oct 14, 2025
High KB5066840 3 Oct 14, 2025
Urgent KB5065507 35 Sep 9, 2025
Routine KB5065435 2 Sep 9, 2025
Urgent KB5063950 47 Aug 12, 2025
Urgent KB5062597 63 Jul 8, 2025
Patch now KB5061018 23 2 Jun 10, 2025
Patch now KB5060996 1 1 Jun 10, 2025
Patch now KB5058403 33 4 May 13, 2025
Patch now KB5058380 1 1 May 13, 2025
High KB5056456 1 Apr 11, 2025
Patch now KB5055557 54 1 Apr 8, 2025
High KB5055515 1 Apr 8, 2025
Patch now KB5053887 26 7 Mar 11, 2025
Urgent KB5053593 1 Mar 11, 2025
Patch now KB5052042 23 1 Feb 11, 2025
Urgent KB5051972 1 Feb 11, 2025
Urgent KB5050048 96 Jan 14, 2025
Urgent KB5049994 7 Jan 14, 2025
Patch now KB5048735 29 1 Dec 10, 2024
Patch now KB5046682 22 1 Nov 12, 2024
Patch now KB5046630 1 1 Nov 12, 2024
Patch now KB5044343 49 2 Oct 8, 2024
Patch now KB5043138 23 3 Sep 10, 2024
Patch now KB5043049 2 1 Sep 10, 2024
Patch now KB5041828 40 3 Aug 13, 2024
Patch now KB5041770 1 1 Aug 13, 2024
Patch now KB5040456 67 2 Jul 9, 2024
Patch now KB5040426 1 1 Jul 9, 2024
Patch now KB5039294 22 2 Jun 11, 2024
Urgent KB5037823 29 May 14, 2024
Patch now KB5036960 58 1 Apr 9, 2024
Patch now KB5035885 27 1 Mar 12, 2024
Urgent KB5034819 33 Feb 13, 2024
Urgent KB5034171 22 Jan 9, 2024
Urgent KB5034120 1 Jan 9, 2024
Urgent KB5033420 18 Dec 12, 2023
Urgent KB5033376 1 Dec 12, 2023
Patch now KB5032249 17 3 Nov 14, 2023
Urgent KB5032191 1 Nov 14, 2023
Patch now KB5031407 62 2 Oct 10, 2023
Patch now KB5031419 62 2 Oct 10, 2023
High KB5031355 1 Oct 10, 2023
Urgent KB5030269 13 Sep 12, 2023
Urgent KB5030287 13 Sep 12, 2023
High KB5030209 1 Sep 12, 2023
Patch now KB5029304 26 1 Aug 8, 2023
Patch now KB5029312 26 1 Aug 8, 2023
Urgent KB5029243 1 Aug 8, 2023
Patch now KB5028223 70 2 Jul 11, 2023
Patch now KB5028228 70 2 Jul 11, 2023
Patch now KB5028167 3 1 Jul 11, 2023
Urgent KB5027271 23 Jun 13, 2023
Urgent KB5027282 23 Jun 13, 2023
Patch now KB5026409 15 1 May 9, 2023
Patch now KB5026415 15 1 May 9, 2023
Urgent KB5026366 1 May 9, 2023
Patch now KB5025285 62 3 Apr 11, 2023
Patch now KB5025288 62 3 Apr 11, 2023
Urgent KB5023764 48 Mar 14, 2023
Urgent KB5023765 48 Mar 14, 2023
High KB5022835 1 Mar 2, 2023
Patch now KB5022894 33 2 Feb 14, 2023
Patch now KB5022899 33 2 Feb 14, 2023
Patch now KB5022346 49 1 Jan 10, 2023
Patch now KB5022352 49 1 Jan 10, 2023
Urgent KB5021294 20 Dec 13, 2022
Urgent KB5021296 20 Dec 13, 2022
Patch now KB5020010 24 3 Nov 8, 2022
Patch now KB5020023 24 3 Nov 8, 2022
Patch now KB5019958 3 2 Nov 8, 2022
Patch now KB5018474 49 2 Oct 11, 2022
Patch now KB5018476 49 2 Oct 11, 2022
Patch now KB5017365 38 1 Sep 13, 2022
Patch now KB5017367 38 1 Sep 13, 2022
Patch now KB5016681 38 1 Aug 9, 2022
Patch now KB5016683 38 1 Aug 9, 2022
Urgent KB5012170 4 Aug 9, 2022
Patch now KB5015874 37 1 Jul 12, 2022
Patch now KB5015877 37 1 Jul 12, 2022
Patch now KB5014738 26 1 Jun 14, 2022
Patch now KB5014746 26 1 Jun 14, 2022

Showing the newest 100 of 285 fixes.

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