Windows update intelligence
KB5121003
August security update · 2026-08-11
Curated snapshot · 2026-09-15. 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
- 26100.9168 / 26200.9168
- Release type
- Security
- Released
- 2026-08-11
- Last checked
- 2026-09-15
Issues & evidence
2 resultsTeams and Outlook launch failures on ARM
Some ARM-based PCs cannot launch Teams or Outlook after the August update.
Games hang when certain RGB drivers are present
Some games become unresponsive with certain RGB peripheral drivers.
Resolution links
No resolving links captured in this collection.
An update that supersedes another update does not automatically resolve every associated issue.