CVE-2026-49792
Windows Resilient File System (ReFS) Remote Code Execution vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-49792
- Affected products
- Windows Resilient File System (ReFS) Remote Code Execution · Microsoft Windows Resilient File System (ReFS) Remote Code Execution · Microsoft
What happened
Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
What it means for your business
Windows Resilient File System (ReFS) Remote Code Execution vulnerability (CVE-2026-49792) was added to Microsoft’s security update guidance. Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Sources
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