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20 May 2026

Vulnerabilities first published on this day (UTC), newest first.

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  • High 7.8
    CVE-2026-41091 Exploited Public exploit

    Microsoft Defender Elevation of Privilege Vulnerability

    Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.

    Microsoft Microsoft Malware Protection Engine
    KEV May 20, 2026