Microsoft · Microsoft

Windows 11 version 21H2 for ARM64-based Systems security updates

Patch Radar has 40 security fixes for Windows 11 version 21H2 for ARM64-based Systems, closing 1,560 CVEs, 69 of which are being exploited. The newest security fix is KB5055518, released April 8, 2025. This product is no longer supported.

Unsupported product69 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
40
On record in Patch Radar
CVEs
1,560
Closed by those fixes
Exploited
69
Vendor report or CISA KEV

Security fixes, newest first

PriorityFixFixed inCVEsExploitedReleased
Patch now KB5055518 61 1 Apr 8, 2025
Routine KB5046398 1 Oct 8, 2024
Patch now KB504428022000.3260 63 2 Oct 8, 2024
Patch now KB504306722000.3197 30 3 Sep 10, 2024
Patch now KB504159222000.3147 43 4 Aug 13, 2024
Patch now KB504043122000.3079 79 3 Jul 9, 2024
Patch now KB503921322000.3019 28 3 Jun 11, 2024
Patch now KB503777022000.2960 41 2 May 14, 2024
Patch now KB503689422000.2899 67 2 Apr 9, 2024
Patch now KB503585422000.2836 35 1 Mar 12, 2024
Patch now KB503476622000.2777 40 3 Feb 13, 2024
Urgent KB503412122000.2713 34 Jan 9, 2024
Urgent KB503336922000.2652 16 Dec 12, 2023
Patch now KB503219222000.2600 32 4 Nov 14, 2023
Patch now KB503135822000.2538 75 3 Oct 10, 2023
Patch now KB503021722000.2416 18 1 Sep 12, 2023
Patch now KB502925322000.2295 34 1 Aug 8, 2023
Patch now KB502818222000.2176 83 3 Jul 11, 2023
Patch now KB502722322000.2057 29 1 Jun 13, 2023
Urgent KB502636822000.1936 21 May 9, 2023
Patch now KB502522422000.1817 59 3 Apr 11, 2023
Patch now KB502369822000.1696 54 1 Mar 14, 2023
Patch now KB502283622000.1574 33 2 Feb 14, 2023
Patch now KB502228722000.1455 66 1 Jan 10, 2023
Patch now KB502123422000.1335 25 1 Dec 13, 2022
Patch now KB501996122000.1219 37 5 Nov 8, 2022
Patch now KB501841822000.1098 65 2 Oct 11, 2022
Patch now KB501732822000.978 40 1 Sep 13, 2022
Urgent KB5012170 4 Aug 9, 2022
Patch now KB501662922000.856 57 1 Aug 9, 2022
Patch now KB501581422000.795 40 1 Jul 12, 2022
Patch now KB501469722000.739 28 1 Jun 14, 2022
Patch now KB501394322000.675 45 1 May 10, 2022
Patch now KB501259222000.613 68 2 Apr 12, 2022
Urgent KB501149322000.556 28 Mar 8, 2022
Patch now KB501038622000.493 22 3 Feb 8, 2022
Patch now KB500956622000.434 65 2 Jan 11, 2022
Patch now KB500821522000.376 31 1 Dec 14, 2021
Patch now KB500721522000.318 23 2 Nov 9, 2021
Patch now KB500667422000.258 41 3 Oct 12, 2021

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