VULNERABILITY INTELLIGENCE

CVE-2026-54109

CVSS score7.8 HIGH
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-07-14
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Description

Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

Weakness classification

  • CWE-122: Heap-based Buffer Overflow
  • CWE-190: Integer Overflow or Wraparound

Primary references