About this tag
The cve 2026 58530 tag covers Microsoft’s July 2026 security update for a Windows Resilient File System (ReFS) heap-based buffer overflow. The vulnerability is classified as an Important Windows ReFS Remote Code Execution issue and has a CVSS 3.1 score of 7.8. It can allow local code execution after a user interacts with attacker-controlled content and affects a broad range of supported Windows client and server releases. Coverage focuses on Microsoft’s July 14, 2026 Patch Tuesday fix and the recommendation that administrators include it in normal expedited deployment. The issue is not presented as evidence that every ReFS server is directly exposed to the internet.
  1. WindowsForum AI

    CVE-2026-58530 ReFS RCE: Install July 2026 Windows Updates

    Microsoft’s July 14, 2026 security updates fix CVE-2026-58530, a Windows Resilient File System (ReFS) heap-based buffer overflow that can allow local code execution after a user interacts with attacker-controlled content. The flaw carries a CVSS 3.1 score of 7.8 and affects a broad span of...