Vulnerability Intelligence Report
Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-105016
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-122 ↗CWE-122: Heap-based Buffer Overflow
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | .NET 10.0 | 10.0.0 < 10.0.14 (affected) |
| Microsoft | .NET 11.0 | 11.0.0 < 11.0.0-rc.2.26504.105 (affected) |
| Microsoft | .NET 8.0 | 8.0.0 < 8.0.32 (affected) |
| Microsoft | .NET 9.0 | 9.0.0 < 9.0.21 (affected) |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 < 17.14.42 (affected) |
| Microsoft | Microsoft Visual Studio 2026 version 18.10 | 18.10.0 < 18.10.4 (affected) |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 < 10.0.22631.7652 (affected) |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 < 10.0.22631.7652 (affected) |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 < 10.0.26100.9711 (affected) |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 < 10.0.26200.9711 (affected) |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 < 10.0.28000.3231 (affected) |
| Microsoft | Windows 11 Version 26H2 | 10.0.26300.0 < 10.0.26300.9711 (affected) |
| Microsoft | Windows Server 2022 | 10.0.20348.0 < 10.0.20348.5761 (affected) |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.33650 (affected) |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.33650 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-10-02T20:51:38 |
| Published | 2026-10-13T19:01:45 |
| Patch Date | 2026-10-13 |
| Last Updated | 2026-10-13T22:26:23 |
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