EUVD-2026-35673

Time-of-check time-of-use TOCTOU race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally...

CVE-2026-45487

Time-of-check time-of-use TOCTOU race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally...

PT-2026-47969

Time-of-check time-of-use TOCTOU race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally...

Application cannot be started after upgrading to Windows 8.1

Application cannot be started after upgrading to Windows 8.1 Symptoms Consider the following scenario: You install an application in Windows 8 or Windows Server 2012. You upgrade the operating system to Windows 8.1 or Windows Server 2012 R2. You start the application by clicking the desktop...

Program Compatibility Assistant dialog box appears when you start a desktop app from the "Autoplay" dialog box in Windows 8

Program Compatibility Assistant dialog box appears when you start a desktop app from the "Autoplay" dialog box in Windows 8 Symptoms Assume that on a Windows 8-based computer you start a desktop app from the Autoplay dialog box of an external media for the first time, and then you close the deskt...