CVE-2026-58530
Windows Resilient File System (ReFS) Remote Code Execution vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-58530
- Affected products
- Windows Resilient File System (ReFS) Remote Code Execution · Microsoft Windows Resilient File System (ReFS) Remote Code Execution · Microsoft
What happened
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.
What it means for your business
Windows Resilient File System (ReFS) Remote Code Execution vulnerability (CVE-2026-58530) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Sources
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