Microsoft’s August 2025 security updates have introduced new User Account Control prompts and app installation issues for non-admin users across Windows platforms, due to a patch addressing the CVE-2025-50173 privilege escalation vulnerability. Microsoft is working on fixes including enabling MSI repair operations without UAC prompts and providing temporary workarounds for affected users. #CVE202550173 #MSI #WindowsUpdate
Keypoints
- The August 2025 updates cause unexpected UAC prompts for non-admin users across Windows versions.
- The security patch addresses a privilege escalation vulnerability, CVE-2025-50173, risking SYSTEM privileges for attackers.
- Standard users may face failures during MSI repair operations, like installing Office or running AutoCAD, without admin rights.
- Microsoft plans to enable MSI repair without UAC prompts through upcoming updates, with temporary workarounds available.
- The updates have also caused issues with NDI streaming performance, but no link to SSD or HDD failures has been found.