CVE-2026-20920High· 7.8▾ TwilightUse after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.5%
0.5% → 0.5%
Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
windows_11_23h2 < 10.0.22631.6491windows_server_2022 < 10.0.20348.4648windows_server_2022_23h2 < 10.0.25398.2092Upgrade past the affected range:
windows_11_23h2 10.0.22631.6491windows_server_2022 10.0.20348.4648windows_server_2022_23h2 10.0.25398.2092Connected by shared product, vendor, weakness, or advisory.
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