CVE-2026-105016 PUBLISHED

Microsoft QUIC Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 02.10.2026 Published: 13.10.2026 Updated: 14.10.2026

Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 9.8

Product Status

Vendor Microsoft
Product .NET 10.0
Versions
  • affected from 10.0.0 to 10.0.14 (excl.)
Vendor Microsoft
Product .NET 11.0
Versions
  • affected from 11.0.0 to 11.0.0-rc.2.26504.105 (excl.)
Vendor Microsoft
Product .NET 8.0
Versions
  • affected from 8.0.0 to 8.0.32 (excl.)
Vendor Microsoft
Product .NET 9.0
Versions
  • affected from 9.0.0 to 9.0.21 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2022 version 17.14
Versions
  • affected from 17.14.0 to 17.14.42 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2026 version 18.10
Versions
  • affected from 18.10.0 to 18.10.4 (excl.)
Vendor Microsoft
Product Windows 11 version 23H2
Versions
  • affected from 10.0.22631.0 to 10.0.22631.7652 (excl.)
Vendor Microsoft
Product Windows 11 Version 23H2
Versions
  • affected from 10.0.22631.0 to 10.0.22631.7652 (excl.)
Vendor Microsoft
Product Windows 11 Version 24H2
Versions
  • affected from 10.0.26100.0 to 10.0.26100.9711 (excl.)
Vendor Microsoft
Product Windows 11 Version 25H2
Versions
  • affected from 10.0.26200.0 to 10.0.26200.9711 (excl.)
Vendor Microsoft
Product Windows 11 version 26H1
Versions
  • affected from 10.0.28000.0 to 10.0.28000.3231 (excl.)
Vendor Microsoft
Product Windows 11 Version 26H2
Versions
  • affected from 10.0.26300.0 to 10.0.26300.9711 (excl.)
Vendor Microsoft
Product Windows Server 2022
Versions
  • affected from 10.0.20348.0 to 10.0.20348.5761 (excl.)
Vendor Microsoft
Product Windows Server 2025
Versions
  • affected from 10.0.26100.0 to 10.0.26100.33650 (excl.)
Vendor Microsoft
Product Windows Server 2025 (Server Core installation)
Versions
  • affected from 10.0.26100.0 to 10.0.26100.33650 (excl.)

References

Problem Types