March 10, 2026—KB5078734 (OS Build 25398.2207)

🗓️ 10 Mar 2026 14:00:00Reported by MicrosoftType

mskb

mskb🔗 support.microsoft.com👁 9 Views

KB5078734 for Windows Server 23H2 adds security fixes, improvements, and Secure Boot guidance.

Reporter	Title	Published	Views	Family All 676
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 Deserialization of Untrusted Data in Microsoft	6 Nov 202510:56	–	githubexploit
GithubExploit	Exploit for Improper Authentication in Microsoft	5 May 202620:27	–	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
GithubExploit	Exploit for Improper Authentication in Microsoft	30 Apr 202604:31	–	githubexploit

10 Mar 2026 14:00Current

7.2High risk

Vulners AI Score7.2

CVSS 3.15.5 - 9.8

EPSS0.99962

SSVC

Windows Server 23H2 Security fixes Improvements Certificate expiration Update history