CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2026-50492: Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

mediumCVSS 6.8CVE-2026-50492
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code with a physical attack.

CSIRTS triage

vendor: Microsoftproduct: Windows Resilient File SystemRemote code execution
What
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code with a physical attack.
Who is affected
Unauthorized attackers with physical access to the system.
Urgency
Remediation is important due to the medium severity and potential for remote code execution.
Action
Apply the latest security updates for Windows Resilient File System.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Windows Resilient File System

Get an email when a new Windows Resilient File System advisory drops — max one per day, one-click unsubscribe.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 6.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50492

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50492coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Windows Resilient File

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center