CVE-2026-20811
7.8 highEPSS 0.5%
High (7.8) in microsoft. EPSS 0.5% chance of exploitation in the next 30 days.
Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
Severity
CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-822, CWE-843
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_11_23h2
- microsoft:windows_11_24h2
- microsoft:windows_11_25h2
- microsoft:windows_server_2022
- microsoft:windows_server_2022_23h2
- microsoft:windows_server_2025
References
Check your stackJSON