Summary: Microsoft has acknowledged a known issue causing crashes in Classic Outlook and Microsoft 365 applications on Windows Server 2016 and 2019 due to a recent update. The company is working on mitigation strategies and providing guidance for affected users to revert to a stable version.
Threat Actor: Microsoft | Microsoft
Victim: Users of Microsoft 365 | Microsoft 365
Key Point :
- Crashes occur within 15 seconds of launching affected applications.
- The issue is linked to the integration of the React Native framework in the latest Office update.
- Microsoft is reverting affected users to a previous version to mitigate the issue.
- Instructions are provided for users to manually revert to a stable version if not automatically updated.
- A separate Multi-Factor Authentication outage was also recently mitigated by Microsoft.