CVE-2025-32706

HIGH
2025-05-13 [email protected]
7.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
Analysis Generated
Mar 28, 2026 - 18:41 vuln.today
Added to CISA KEV
Oct 27, 2025 - 17:13 cisa
CISA KEV
PoC Detected
Oct 27, 2025 - 17:13 vuln.today
Public exploit code
CVE Published
May 13, 2025 - 17:16 nvd
HIGH 7.8

Description

Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Analysis

Windows CLFS Driver contains an input validation flaw enabling local privilege escalation, yet another CLFS kernel vulnerability in the May 2025 Patch Tuesday.

Technical Context

The CWE-20 improper input validation in CLFS allows crafted log file operations to trigger privilege escalation through kernel memory corruption.

Affected Products

['Microsoft Windows (CLFS Driver)']

Remediation

Apply May 2025 security updates for all CLFS vulnerabilities.

Priority Score

110
Low Medium High Critical
KEV: +50
EPSS: +1.3
CVSS: +39
POC: +20

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CVE-2025-32706 vulnerability details – vuln.today

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