Oct 2026: Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-100219 Published on October 13, 2026
Microsoft QUIC Remote Code Execution Vulnerability
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-100219 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-100219
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Affected Versions
Microsoft Windows 11 version 23H2:- Version 10.0.22631.0 and below 10.0.22631.7652 is affected.
- Version 10.0.22631.0 and below 10.0.22631.7652 is affected.
- Version 10.0.26100.0 and below 10.0.26100.9711 is affected.
- Version 10.0.26200.0 and below 10.0.26200.9711 is affected.
- Version 10.0.28000.0 and below 10.0.28000.3231 is affected.
- Version 10.0.26300.0 and below 10.0.26300.9711 is affected.
- Version 10.0.20348.0 and below 10.0.20348.5761 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33650 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33650 is affected.