CVE-2026-62815

Summary

Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 11 version 23H210.0.22631.0 < 10.0.22631.7517affected
MicrosoftWindows 11 Version 23H210.0.22631.0 < 10.0.22631.7517affected
MicrosoftWindows 11 Version 24H210.0.26100.0 < 10.0.26100.9168affected
MicrosoftWindows 11 Version 25H210.0.26200.0 < 10.0.26200.9168affected
MicrosoftWindows 11 version 26H110.0.28000.0 < 10.0.28000.2704affected
MicrosoftWindows Server 202210.0.20348.0 < 10.0.20348.5499affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.33296affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.33296affected

Weaknesses

  • CWE-416: CWE-416: Use After Free

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References