SEPTEMBER 13, 2026
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Case File

CVE-2026-54109

HIGH · CVSS 7.8 EPSS 0.24%

Source: NVD + CISA KEV + EPSS · Published 2026-07-14 · Last synced 2026-08-13

CyberRota Analysis

AI-Generated

An integer overflow vulnerability in the Windows Resilient File System (ReFS) allows authorized attackers to execute arbitrary code locally, potentially compromising system integrity and data confidentiality. Organizations using Windows systems with ReFS should prioritize this issue, especially those handling sensitive data or critical infrastructure, to mitigate the risk of exploitation.

CVE
CVE-2026-54109
Severity
HIGH
CVSS
7.8
EPSS
0.24%
Windows

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-87654 CRITICAL CVE-2026-87653 MEDIUM CVE-2026-87648 HIGH CVE-2026-87644 HIGH CVE-2026-87621 CRITICAL CVE-2026-87618 HIGH