Vulnerability intelligence
CVE-2026-62815
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
CVSS Score
9.8
Critical
EPSS — Exploit Probability
1.2%
Riskier than 68% of all CVEs · checked 2026-09-23
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
Patch available
Vendor fix published
2 articles across 2 outlets · first covered Aug 11, 2026 · latest Aug 11, 2026
Coverage timeline
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Microsoft's Patch Tuesday Deluge Continues With August Updateswww.darkreading.com · Aug 11, 2026
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Microsoft Patch Tuesday August 2026, (Tue, Aug 11th)isc.sans.edu · Aug 11, 2026