MSRC's January 2026 security update document isn't collected, so the CVEs this update fixes are unknown. It includes the security fixes of KB5073457. No known issues affecting this update, or resolved by it, were identified in the collected Windows release health data.
Applies to
From Microsoft's release-information tables
Servicing branch
OS build
Release
Available
Windows Server 2022
20348.4651
OOB2026-01 OOB
24 Jan 2026
What changed
Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
Known issues: None in the collected release health data
Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
Page history
Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.
Up to 100 recent field edits are shown; older edits may be outside retention.
7 Nov 2026 · 13:11:22 UTCKnown issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
7 Nov 2026 · 13:11:22 UTCKnown issues affecting this updateUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
7 Nov 2026 · 12:08:21 UTCKnown issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
7 Nov 2026 · 12:08:21 UTCKnown issues affecting this updateNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
6 Nov 2026 · 17:32:22 UTCKnown issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
6 Nov 2026 · 17:32:22 UTCKnown issues affecting this updateUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
6 Nov 2026 · 16:31:02 UTCKnown issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
6 Nov 2026 · 16:31:02 UTCKnown issues affecting this updateNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
5 Nov 2026 · 23:42:03 UTCKnown issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
5 Nov 2026 · 23:42:03 UTCKnown issues affecting this updateUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
5 Nov 2026 · 22:41:52 UTCKnown issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
5 Nov 2026 · 22:41:52 UTCKnown issues affecting this updateNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained