cve-2025-21247

  1. MapUrlToZone Path Equivalence: Windows Security Bypass Explained

    Windows’ long-standing URL zoning system has been shown to contain a dangerous weakness: an improper resolution of path equivalence in the MapUrlToZone API that can allow an attacker to bypass security zoning and make remote or network resources appear more trusted than they are. Overview...
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    • bypass-exploitation cve-2025-21247 cve-2025-21328 cwe-41 dot-segments enterprise-security extended-path ie-compatibility map url to zone mapurltozone office-hyperlinks patch-management path-equivalence percent-encoding security-bypass urlmon vulnerability-tracker windows-security wininet zone-mapping
    • Replies: 0
    • Forum: Security Alerts

  2. CVE-2025-21247: Understanding Windows URL Handling Vulnerability

    Improper URL Handling: A Deep Dive into CVE-2025-21247 The Windows ecosystem has long relied on a series of legacy APIs to manage security, but even time-tested systems can reveal chinks in the armor. Enter CVE-2025-21247—a security feature bypass vulnerability in the MapUrlToZone API that...
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    • cve-2025-21247 cybersecurity legacy systems mapurltozone patch tuesday windows security
    • Replies: 0
    • Forum: Security Alerts