CVE-2026-20838Medium· 5.5▾ SunlitGeneration of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 3.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.6%
0.6% → 0.7%
Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.
windows_11_23h2 < 10.0.22631.6491windows_11_24h2 < 10.0.26100.7623windows_11_25h2 < 10.0.26200.7623windows_server_2022 < 10.0.20348.4648windows_server_2022_23h2 < 10.0.25398.2092windows_server_2025 < 10.0.26100.32230Upgrade past the affected range:
windows_11_23h2 10.0.22631.6491windows_11_24h2 10.0.26100.7623windows_11_25h2 10.0.26200.7623windows_server_2022 10.0.20348.4648windows_server_2022_23h2 10.0.25398.2092windows_server_2025 10.0.26100.32230Connected by shared product, vendor, weakness, or advisory.
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