cve 2026 42911

  1. CVE-2026-42911: Windows AFD.sys Local Privilege Escalation Patch (AFD.sys, EoP)

    Microsoft published CVE-2026-42911 on June 9, 2026, as an Important-rated elevation-of-privilege flaw in the Windows Ancillary Function Driver for WinSock, affecting supported Windows client and server releases and carrying a CVSS 3.1 base score of 7.0. The dry label hides the real point: this...
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    • afd.sys vulnerability cve 2026 42911 privilege escalation windows security
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