NetSight
medium5.5

CVE-2026-20838

Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.

Impact

Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.

Affected products

VendorProductAffected versions
MicrosoftWindows 11 23h2
before 10.0.22631.6491
MicrosoftWindows 11 24h2
before 10.0.26100.7623
MicrosoftWindows 11 25h2
before 10.0.26200.7623
MicrosoftWindows Server 2022
before 10.0.20348.4648
MicrosoftWindows Server 2022 23h2
before 10.0.25398.2092
MicrosoftWindows Server 2025
before 10.0.26100.32230

Weakness classification

References