Risk Letters

Exploited vulnerability

CVE-2025-32706

TLP:CLEAR

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

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

Facts

  • Vendor: Microsoft
  • Product: Windows
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 2.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 13 May 2025
  • First known exploitation: 13 May 2025
  • CISA's deadline for US federal agencies: 3 June 2025
  • Weakness: CWE-122
  • First seen by Risk Letters: 13 May 2025

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD