CVE-2025-55679 — Improper Input Validation in Microsoft Windows 10 Version 1809

CWE-20 — Improper Input ValidationCWE-200 — Sensitive Information Exposure4 documents4 sources
Severity
4.7MEDIUMNVD
CNA5.1
EPSS
0.1%
top 78.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
19
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+16 more
Timeline
PublishedOct 14

Description

Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.0 | Impact: 3.6

Affected Packages19 packages

▶NVDmicrosoft/windows< 10.0.17763.7919+3
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7919
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6456
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.6456
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.6060

🔴Vulnerability Details

2
GHSA
GHSA-grhv-v7mf-c7c2: Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally↗2025-10-14
▶
CVEList
Windows Kernel Information Disclosure Vulnerability↗2025-10-14
▶

📋Vendor Advisories

1
Microsoft
Windows Kernel Information Disclosure Vulnerability↗2025-10-14
▶
CVE-2025-55679 — Improper Input Validation in Microsoft | cvebase