CVE-2026-50318
Windows Resilient File System (ReFS) Elevation of Privilege vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-50318
- Affected products
- Windows Resilient File System (ReFS) Elevation of Privilege · Microsoft Windows Resilient File System (ReFS) Elevation of Privilege · Microsoft
What happened
Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows Resilient File System (ReFS) Elevation of Privilege vulnerability (CVE-2026-50318) was added to Microsoft’s security update guidance. Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Sources
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