cve-2026-40399

  1. CVE-2026-40399: Windows TCP/IP Local Privilege Escalation to SYSTEM (May 12, 2026)

    Microsoft published CVE-2026-40399 on May 12, 2026, as an Important-rated Windows TCP/IP elevation-of-privilege vulnerability caused by a stack-based buffer overflow that lets a locally authorized attacker gain SYSTEM privileges after applying pressure to the vulnerable component. The phrase...
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    • cve-2026-40399 local privilege escalation patch tuesday windows tcp/ip
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    • Forum: Security Alerts