CVE Watch—

CVE-2025-32706

Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

2.3%

p83

KEV

YES

May 13, 2025

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

2.3%EPSS · 30 days2.3%

2026-09-172026-10-15

KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability

Added to KEV

May 13, 2025

Remediate by

Jun 3, 2025

Known ransomware use

Summary description

Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-32706 ; https://nvd.nist.gov/vuln/detail/CVE-2025-32706

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-969518.8 HIG

74.0%

KEV—72Microsoft Windows Command Injection Vulnerability7h CVE-2026-858807.8 HIG

89.3%

KEV—77Microsoft Windows Heap-Based Buffer Overflow Vulnerability21d CVE-2026-819637.8 HIG

31.9%

KEV—60Microsoft Windows Link Following Vulnerability37d CVE-2026-322024.3 MED

92.0%

KEV—78Microsoft Windows Protection Mechanism Failure Vulnerability63d CVE-2026-208055.5 MED

94.4%

KEV—78Microsoft Windows Information Disclosure Vulnerability77d CVE-2025-622217.8 HIG

84.4%

KEV—75Microsoft Windows Use After Free Vulnerability20d