KB5075906: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (February 2026)

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Version 1.7 Feb 28, 2026, 12:53 AM CISA reference Plugin Feed: 202602280053
Version 1.6 Feb 25, 2026, 1:08 AM New Plugin Feed: 202602250108
Version 1.5 Feb 14, 2026, 1:12 AM CVSSv3 score source (changed from "CVE-2026-21240" to "CVE-2026-21508") IAVM reference STIG Severity (set to "I") Plugin Feed: 202602140112
Version 1.3 Feb 12, 2026, 3:03 PM CVSS metrics ("CVSSv3 score" set to 7.0) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H") CVSSv3 score source (set to "CVE-2026-21240") Plugin Feed: 202602121503
Version 1.2 Feb 12, 2026, 7:05 AM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:F/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True") Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202602120705
Version 1.1 Feb 11, 2026, 1:22 AM New Plugin Feed: 202602110122

* Changelogs are generally available for changes made after Nov 1, 2022