cve-2025-21391

About this tag
CVE-2025-21391 is a critical Windows Storage vulnerability disclosed in February 2025. It involves improper link resolution before file access (CWE-59), allowing attackers to remotely delete targeted files on affected systems. Classified as an elevation of privilege flaw, it poses significant risks to data integrity and system availability, especially in enterprise environments. Microsoft has released patches as part of its February 2025 Patch Tuesday updates. Windows administrators and security professionals are urged to apply these patches immediately to protect against active exploitation. The vulnerability affects Windows Storage components and has been highlighted alongside other critical issues in Windows Server, LDAP, NTLM, and Hyper-V.

  1. Urgent: Windows Storage 0-Day Vulnerability CVE-2025-21391 Threatens Your Files

    A fresh security scare has hit the Windows ecosystem—a Windows Storage 0-day vulnerability that allows attackers to remotely delete targeted files on affected systems. With the public disclosure of CVE-2025-21391 on February 11, 2025, Windows users and system administrators need to buckle up and...
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    • Forum: Windows News

  2. Critical Windows Server Vulnerabilities: February Patch Update Insights

    In this month’s patch update round-up, cybersecurity experts are ringing alarm bells for CISOs and Windows administrators alike. The spotlight falls on two actively exploited Windows Server vulnerabilities—one in the Windows Storage component and a more critical weakness in the Windows Ancillary...
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    • cve-2025-21391 cve-2025-21418 cybersecurity hyper-v ldap network security ntlm patch vulnerability windows server
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    • Forum: Windows News

  3. Urgent Windows Server Patch: Address Critical Vulnerabilities Now

    Windows administrators and security professionals, take note—this Patch Tuesday, two actively exploited vulnerabilities in Windows Server are demanding your immediate action. In a recent advisory, experts highlighted significant security flaws that, if left unpatched, could cast a long shadow...
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    • Forum: Windows News

  4. CVE-2025-21391: Critical Windows Storage Vulnerability Explained

    Microsoft’s Security Response Center has published new details on a concerning vulnerability—CVE-2025-21391—that affects the Windows Storage component. While the initial publication provides limited details, this revelation is significant for IT professionals and Windows enthusiasts alike due to...
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    • cve-2025-21391 cybersecurity elevation of privilege windows security windows storage
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    • Forum: Security Alerts