Windows update intelligence
KB5074109
January security update · 2026-01-13
Curated snapshot · 2026-10-25. This small collection is not a complete risk assessment. No matching report does not mean an update is safe. Automatic monitoring is not connected.
Update identity
- Windows versions
- 24H2 / 25H2
- OS builds
- 26100.7623 / 26200.7623
- Release type
- Security
- Released
- 2026-01-13
- Last checked
- 2026-10-25
Issues & evidence
2 resultsCredential prompt failures on Azure Virtual Desktop and Windows 365
The January 2026 update caused Windows App credential prompt failures on Azure Virtual Desktop and Windows 365.
Apps become unresponsive saving to cloud-backed storage
Applications including Outlook could become unresponsive when saving files to cloud-backed storage, such as PST files stored on OneDrive.
Resolution links
No resolving links captured in this collection.
An update that supersedes another update does not automatically resolve every associated issue.