CVE-2026-20818

MEDIUM
2026-01-13 [email protected]
6.2
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
MEDIUM 6.2

Tags

Linux Windows Windows Server 2016 Windows Server 2025 Windows Server 2022 23h2 Windows Server 2019 Windows Server 2022 Microsoft

Description

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

Analysis

Windows Kernel inadvertently logs sensitive information to accessible log files, enabling local attackers to read confidential data on affected Windows and Linux systems. This information disclosure vulnerability requires no privileges or user interaction to exploit and impacts Windows Server 2016, 2022, and 2025 along with standard Windows installations. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

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Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +31
POC: 0

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CVE-2026-20818 vulnerability details – vuln.today
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