CVE-2026-62898HighCVSS 7.5
Microsoft QUIC Information Disclosure Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
🎯 Affected products5
- .NET 10.0 installed on Windows
- .NET 8.0 installed on Windows
- .NET 9.0 installed on Windows
- Microsoft Visual Studio 2022 version 17.14
- Microsoft Visual Studio 2026 version 18.8
✅ Remediation
KB5122106 (Security Update) — fixed build 10.0.11 Security Update — fixed build 17.14.38 Security Update — fixed build 18.8.3 KB5122105 (Security Update) — fixed build 9.0.19 KB5122104 (Security Update) — fixed build 8.0.30
🔗 References (7)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62898
- patchhttps://dotnet.microsoft.com/download/dotnet/10.0
- referencehttps://support.microsoft.com/help/5122106
- patchhttps://dotnet.microsoft.com/download/dotnet/9.0
- referencehttps://support.microsoft.com/help/5122105
- patchhttps://dotnet.microsoft.com/download/dotnet/8.0
- referencehttps://support.microsoft.com/help/5122104