February 10, 2026—Hotpatch KB5075943 (OS Build 20348.4711)

🗓️ 10 Feb 2026 16:00:00Reported by MicrosoftType

mskb

mskb🔗 support.microsoft.com👁 67 Views

Hotpatch for Windows Server 2022 improves security; Secure Boot certs expire June 2026.

Reporter	Title	Published	Views	Family All 478
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	9 Mar 202607:43	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	28 Oct 202519:56	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	1 Nov 202520:05	–	githubexploit
GithubExploit	Exploit for CVE-2026-21533	11 Feb 202612:58	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	6 Nov 202510:56	–	githubexploit
GithubExploit	Exploit for Improper Privilege Management in Microsoft	11 Feb 202621:03	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	26 Dec 202507:22	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	9 Jan 202610:52	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	3 Nov 202510:51	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	27 Oct 202514:05	–	githubexploit

10 Feb 2026 16:00Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.17 - 9.8

EPSS0.72697

SSVC

Windows Server 2022 Hotpatch Security improvements Secure Boot certificates Certificate expiration June 2026