CVE-2025-62456
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk65th percentile - higher than 65% of all known CVEs
Summary
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
Risk Assessment
The vulnerability allows an authorized attacker to execute code remotely over a network, potentially leading to system compromise.
Recommendation
Apply the available Microsoft security updates for Windows Resilient File System (ReFS).
Other vulnerabilities in Windows Resilient File System (ReFS)
See all- CVE-2026-70116Medium
Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to bypass a security feature with a physical attack.
- CVE-2026-70048High
A heap-based buffer overflow exists in the Windows Resilient File System (ReFS). An authorized attacker can exploit this flaw to elevate privileges locally.
- CVE-2026-102227High
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
- CVE-2026-69617High
Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-50501High
In Windows Resilient File System (ReFS), a stack-based buffer overflow vulnerability allows an unauthorized attacker to execute code locally.
- CVE-2026-50492Medium
A heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code via a physical attack.
- CVE-2026-50441High
Untrusted pointer dereference in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-50407High
A heap-based buffer overflow in the Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-50362High
A heap-based buffer overflow vulnerability in the Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.
- CVE-2026-50357High
A numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally. The vulnerability stems from improper handling of numeric values during file system operations.
Original NVD description (English source)
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

