Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-21240

Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.1%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-21240


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