Evidence used
- CISA confirms exploitation in the wild.
- A structured source references public exploit or proof-of-concept material.
- Exploitation requires an existing local or physical foothold with privileges.
- EPSS is 2.31% for the current model date.
BlackTreeCVE IntelligenceMicrosoft · Windows
CISA confirms exploitation in the wild and lists 2025-06-03 as the remediation due date.
CISA confirms exploitation in the wild and lists 2025-06-03 as the remediation due date.
Patch availableMicrosoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
CISA added this CVE to its Known Exploited Vulnerabilities catalogue on 2025-05-13.
A structured CVE source labels at least one public reference as exploit material. BlackTree has not independently validated that it is safe, reliable or weaponised.
CWE-20: Improper Input Validation. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CCommon Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
Operational remediation based on structured source evidence.
Published 13 May 2025 · Last source change 26 Feb 2026, 18:28 UTC · CWE-20 · Improper Input Validation
Core structured fields are present and their contributing authorities are shown above.