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
Tags
Microsoft
Information Disclosure
Windows 10 1507
Windows 10 1607
Windows 10 1809
Windows 10 21h2
Windows 10 22h2
Windows 11 22h2
Windows 11 23h2
Windows 11 24h2
Windows Server 2008
Windows Server 2012
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows Server 2022 23h2
Windows Server 2025
Windows
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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External POC / Exploit Code
Leaving vuln.today
Destination URL
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