PT-2026-58220 · Microsoft · Refs

CVE-2026-54109

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Published

2026-07-14

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Updated

2026-07-14

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows Resilient File System (ReFS) (affected versions not specified)
Description An integer overflow or wraparound occurs in the Windows Resilient File System (ReFS), which could allow an authorized attacker to execute code locally. Additionally, the issue may allow remote attackers to execute arbitrary code and affect the system.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

DoS

Heap Based Buffer Overflow

Integer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-54109

Affected Products

Refs