CVE-2026-20818
Windows Kernel Information Disclosure Vulnerability
CVSS Score
6.2
EPSS Score
0.0%
EPSS Percentile
0th
Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.
| Vendor | microsoft |
| Product | windows server 2016 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jan 13, 2026 |
| Last Updated | Apr 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows Server 2016
10.0.14393.0 < 10.0.14393.8783
Microsoft / Windows Server 2016 (Server Core installation)
10.0.14393.0 < 10.0.14393.8783
Microsoft / Windows Server 2019
10.0.17763.0 < 10.0.17763.8276
Microsoft / Windows Server 2019 (Server Core installation)
10.0.17763.0 < 10.0.17763.8276
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.4648
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.2092
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.32230
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.32230