mailslot vulnerability

  1. CVE-2026-21253: Windows Mailslot EoP — Patch Now and Mitigate

    Microsoft has recorded CVE-2026-21253 — listed as a Mailslot File System Elevation of Privilege vulnerability — in its Security Update Guide, and at present the public vendor advisory provides only a terse confirmation of the issue rather than a deep technical breakdown; defenders must therefore...
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    • elevation of privilege mailslot vulnerability patch management windows security
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    • Forum: Security Alerts