CVE-2026-20818

published 2026-01-13

CVE-2026-20818: Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.

medium 6.2 CVSS 3.1

AV L AC L PR N UI N S U C H I N A N

Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.

Affected

14 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_server_2016	< 10.0.14393.8783	10.0.14393.8783
microsoft	windows_server_2016	>= 10.0.14393.0 < 10.0.14393.8783	10.0.14393.8783
microsoft	windows_server_2019	< 10.0.17763.8276	10.0.17763.8276
microsoft	windows_server_2019	>= 10.0.17763.0 < 10.0.17763.8276	10.0.17763.8276
microsoft	windows_server_2022	< 10.0.20348.4648	10.0.20348.4648
microsoft	windows_server_2022	>= 10.0.20348.0 < 10.0.20348.4648	10.0.20348.4648
microsoft	windows_server_2022_23h2	< 10.0.25398.2092	10.0.25398.2092
microsoft	windows_server_2025	< 10.0.26100.7623	10.0.26100.7623
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.32230	10.0.26100.32230
msrc	windows_server_2016	—	—
msrc	windows_server_2019	—	—
msrc	windows_server_2022	—	—
msrc	windows_server_2022_23h2_edition	—	—
msrc	windows_server_2025	—	—

CWE-532