Dossier
January 2026 optional non-security preview updates
Coverage of January 2026 optional non-security preview updates in the Nexus archive.
- Microsoft confirms patching issues in restricted Windows networks
Microsoft has confirmed issues with patching in restricted Windows networks after installing January 2026 optional non-security preview updates, which may cause Windows Update failures. The problem affects customers in restricted network environments. Microsoft is likely to provide a fix for this issue.