CVE Catalog

CVE-2026-58530

HighCVSS 7.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.34%

26th percentile - higher than 26% of all known CVEs

Summary

Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.

Risk Assessment

Attacker can execute arbitrary code in kernel or service context, potentially leading to privilege escalation and file system instability.

Recommendation

Apply Microsoft security patches immediately and monitor ReFS file systems for anomalies.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS