EUVD-2026-56346

Integer underflow wrap or wraparound in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally...

CVE-2026-62696 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

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Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Integer underflow wrap or wraparound in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally...

PT-2026-70462

Name of the Vulnerable Software and Affected Versions Windows Program Compatibility Assistant Service affected versions not specified Description An integer underflow wrap or wraparound occurs in the Windows Program Compatibility Assistant Service. This issue allows an authorized attacker to...

CVE-2026-62696: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally...

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...

CVE-2026-45487 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

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PT-2026-47969

Name of the Vulnerable Software and Affected Versions Windows affected versions not specified Description A Time-of-check time-of-use TOCTOU race condition exists in the Program Compatibility Assistant Service. This flaw allows an authorized attacker to elevate privileges locally, enabling them t...

CVE-2026-45487: Time-of-check Time-of-use (TOCTOU) Race Condition

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...