January 13, 2026—KB5073450 (OS Build 25398.2092)

🗓️ 13 Jan 2026 16:00:00Reported by MicrosoftType

Windows Server 23H2 KB5073450 provides security updates, Secure Boot certificate expiration in June 2026, modem driver removals, and input fixes.

Reporter	Title	Published	Views	Family All 1584
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	9 Mar 202607:43	–	githubexploit
GithubExploit	Exploit for Exposure of Sensitive Information to an Unauthorized Actor in Microsoft	31 Jan 202606:40	–	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 Deserialization of Untrusted Data in Microsoft	6 Nov 202510:56	–	githubexploit
GithubExploit	Exploit for CVE-2026-20805	14 Jan 202613:26	–	githubexploit
GithubExploit	Exploit for CVE-2025-54100	9 Dec 202520:32	–	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

13 Jan 2026 16:00Current

7.2High risk

Vulners AI Score7.2

CVSS 3.19.8

CVSS 47.2

EPSS0.99962

SSVC