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

CVE-2025-55679

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

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

MEDIUM · CVSS 5.1 EPSS 0.00078
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

11
microsoft windows 10 1809< 10.0.17763.7919
microsoft windows 10 21h2< 10.0.19044.6456
microsoft windows 10 22h2< 10.0.19045.6456
microsoft windows 11 22h2< 10.0.22621.6060
microsoft windows 11 23h2< 10.0.22631.6060
microsoft windows 11 24h2< 10.0.26100.6899
microsoft windows 11 25h2< 10.0.26200.6899
microsoft windows server 2019< 10.0.17763.7919
▣

Scoring & Timeline

5.1
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Oct 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2025-55679Information Disclosure
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