CVE-2026-105016
Microsoft QUIC Remote Code Execution Vulnerability
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
| Vendor | microsoft |
| Product | .net 10.0 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Oct 13, 2026 |
| Last Updated | Oct 13, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / .NET 10.0
10.0.0 < 10.0.14
Microsoft / .NET 11.0
11.0.0 < 11.0.0-rc.2.26504.105
Microsoft / .NET 8.0
8.0.0 < 8.0.32
Microsoft / .NET 9.0
9.0.0 < 9.0.21
Microsoft / Microsoft Visual Studio 2022 version 17.14
17.14.0 < 17.14.42
Microsoft / Microsoft Visual Studio 2026 version 18.10
18.10.0 < 18.10.4
Microsoft / Windows 11 version 23H2
10.0.22631.0 < 10.0.22631.7652
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.7652
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.9711
Microsoft / Windows 11 Version 25H2
10.0.26200.0 < 10.0.26200.9711
Microsoft / Windows 11 version 26H1
10.0.28000.0 < 10.0.28000.3231
Microsoft / Windows 11 Version 26H2
10.0.26300.0 < 10.0.26300.9711
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.5761
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.33650
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.33650