high7.5
CVE-2026-62898
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Impact
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Microsoft.NETCore.App.Runtime.win-arm64 | >= 10.0.0, <= 10.0.10 | 10.0.11 |
| nuget | Microsoft.NETCore.App.Runtime.win-x64 | >= 10.0.0, <= 10.0.10 | 10.0.11 |
| nuget | Microsoft.NETCore.App.Runtime.win-x86 | >= 10.0.0, <= 10.0.10 | 10.0.11 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Visual Studio 2022 | from 17.14.0 before 17.14.38 |
| Microsoft | Visual Studio 2026 | from 18.8.0 before 18.8.3 |
| Microsoft | .Net | from 8.0.0 before 8.0.30 from 9.0.0 before 9.0.19 from 10.0.0 before 10.0.11 |