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CVE-2026-68845

Windows Program Compatibility Assistant Service Elevation of Privilege vulnerability

Microsoft

MSRC advisory September 8, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-68845
Affected products
Windows Program Compatibility Assistant Service Elevation of Privilege · Microsoft Windows Program Compatibility Assistant Service Elevation of Privilege · Microsoft

What happened

<p>Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.</p>

What it means for your business

Windows Program Compatibility Assistant Service Elevation of Privilege vulnerability (CVE-2026-68845) was added to Microsoft’s security update guidance. <p>Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.

Sources

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