UAC Unplugged: Microsoft’s Latest Fix for Windows Installer Woes

Microsoft has resolved an issue from the August 2025 security updates that caused unexpected User Account Control prompts for non-admin users. These prompts often emerged at the most inconvenient times, like a surprise karaoke invitation. So, fret not; you can now install your apps without UAC asking for an encore.

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Hot Take:

Microsoft’s latest patch had users playing a wild game of “Guess Who?” with unexpected UAC prompts popping up like unwanted party guests. Now, thanks to some digital diplomacy, they’ve sent those prompts packing, like a bouncer at a VIP club door—only letting in those truly deserving of SYSTEM privileges.

Key Points:

  • Microsoft resolved issues from the August 2025 security updates causing unexpected UAC prompts.
  • The unwanted prompts stemmed from a patch fixing a Windows Installer privilege escalation vulnerability (CVE-2025-50173).
  • The updates affected a wide range of Windows client and server platforms.
  • The September 2025 update reduced unnecessary UAC prompts and allowed app allowlisting.
  • Another bug causing lag with NDI streaming software was also fixed.

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