Windows
CVE-2026-20818
MEDIUM
Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.
AnalysisAI
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. No patch is currently available for this medium-severity issue.
Technical ContextAI
Classified as CWE-532 (Insertion of Sensitive Information into Log File). Affects Windows Server 2016. Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.
RemediationAI
Monitor vendor advisories for a patch.
Windows MSHTML component contains a remote code execution vulnerability that allows attackers to craft malicious ActiveX
Windows Win32k contains an out-of-bounds write vulnerability enabling local privilege escalation to SYSTEM, exploited by
The Windows VBScript engine contains a remote code execution vulnerability in object handling that allows full system co
Windows Win32k fails to properly handle objects in memory, allowing local privilege escalation exploited in the wild in
A privilege escalation vulnerability (CVSS 5.5). Risk factors: actively exploited (KEV-listed), EPSS 94% exploitation pr
Windows Kernel contains a TOCTOU race condition vulnerability allowing local privilege escalation, exploited by the OilR
Windows Internet Shortcut Files (.url) contain an external control vulnerability (CVE-2025-33053, CVSS 8.8) that enables
Windows SMB contains an improper access control vulnerability (CVE-2025-33073, CVSS 8.8) enabling authenticated attacker
Twonky Server 8.5.2 on Linux and Windows allows unauthenticated access to the admin log file through a web service API b
An unrestricted file upload vulnerability exists in MiniWeb HTTP Server <= Build 300 that allows unauthenticated remote
FreeFloat FTP Server contains multiple critical design flaws that allow unauthenticated remote attackers to upload arbit
Serviio Media Server versions 1.4 through 1.8 on Windows contain an unauthenticated command injection in the /rest/actio
Share
External POC / Exploit Code
Leaving vuln.today