CVE-2026-45487
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk8th percentile - higher than 8% of all known CVEs
Summary
A TOCTOU race condition vulnerability in the Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized user could gain higher privileges, potentially leading to full system compromise.
Recommendation
Install the latest Windows security updates released by Microsoft.
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Original NVD description (English source)
Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

