Description
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 – < 10.0.22631.7517 | 10.0.22631.7517 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – < 10.0.26100.9168 | 10.0.26100.9168 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – < 10.0.26200.9168 | 10.0.26200.9168 |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 – < 10.0.28000.2704 | 10.0.28000.2704 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.5499 | 10.0.20348.5499 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.33296 | 10.0.26100.33296 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.33296 | 10.0.26100.33296 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | Microsoft.Native.Quic.MsQuic.OpenSSL | >= 2.5.3, < 2.5.10 | 2.5.10 | GHSA-92f5-vc22-8j33 |
| NuGet | Microsoft.Native.Quic.MsQuic.OpenSSL | < 2.4.19 | 2.4.19 | GHSA-92f5-vc22-8j33 |
| NuGet | Microsoft.Native.Quic.MsQuic.Schannel | >= 2.5.3, < 2.5.10 | 2.5.10 | GHSA-92f5-vc22-8j33 |
| NuGet | Microsoft.Native.Quic.MsQuic.Schannel | < 2.4.19 | 2.4.19 | GHSA-92f5-vc22-8j33 |
Advisories 3
- WID-SEC-2026-2756 Microsoft Windows Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 30, 2026
- MSRC-CVE-2026-62815 Microsoft QUIC Remote Code Execution Vulnerability Microsoft Security Response Center · Sep 3, 2026
- NCSC-2026-0284 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Aug 11, 2026
References
- Microsoft QUIC Remote Code Execution Vulnerability vendor-advisory patch