appid vulnerability

  1. CVE-2026-34343: AppID Heap Overflow Elevation to SYSTEM — Patch May 2026

    Microsoft disclosed CVE-2026-34343 on May 12, 2026, as an Important-rated Windows Application Identity subsystem elevation-of-privilege vulnerability that can let a local, low-privileged authorized attacker gain SYSTEM privileges after exploiting a heap-based buffer overflow. The flaw is not...
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    • appid vulnerability cve 2026 34343 priv escalation windows security
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