CVE-2026-103577 — Microsoft QUIC Security Feature Bypass Vulnerability

Insecure default variable initialization in Microsoft QUIC allows an unauthorized attacker to bypass a security feature over a network.

Published: 2026-10-13 · CVSS: 7.5 · CVSS 3.1

Insecure default variable initialization in Microsoft QUIC allows an unauthorized attacker to bypass a security feature over a network.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision ccc9bdb4c4f8cb214cf2c1e7d07daea789e675ef