8.8
High
CVE-2026-69522 Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network
Description
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| .NET 10.0 10.0 | 10.0.0 → < 10.0.12 | 10.0.12 |
| .NET 11.0 11.0 | 11.0.0 → latest | No fix stated |
| .NET 8.0 8.0 | 8.0.0 → < 8.0.31 | 8.0.31 |
| .NET 9.0 9.0 | 9.0.0 → < 9.0.20 | 9.0.20 |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0 | 3.0.0.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.7.2 4.7 | 4.7.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.8 4.8 | 4.8.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.8.1 4.8 | 4.8.1 → latest | No fix stated |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7 | 4.7.0 → < 4.7.4145.0 | 4.7.4145.0 |
Show the 8 other branches Hide the 8 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft .NET Framework 4.8 4.8 | 4.8.0 → < 4.8.4806.0 | 4.8.4806.0 |
| Microsoft .NET Framework 4.8.1 4.8 | 4.8.0.0 → < 4.8.9347.0 | 4.8.9347.0 |
| Microsoft Visual Studio 2022 version 17.14 17.14 | 17.14.0 → < 17.14.40 | 17.14.40 |
| Microsoft Visual Studio 2026 version 18.9 18.9 | 18.9.0 → < 18.9.3 | 18.9.3 |
| .NET 10.0 runtime 10.0 | 10.0.0 → < 10.0.12 | 10.0.12 |
| .NET 11.0 runtime 11.0 | 11.0.0 → latest | No fix stated |
| .NET 8.0 runtime 8.0 | 8.0.0 → < 8.0.31 | 8.0.31 |
| .NET 9.0 runtime 9.0 | 9.0.0 → < 9.0.20 | 9.0.20 |
References
- .NET and Visual Studio Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
Other CVEs of .NET 10.0
The 70 CVEs of .NET 10.0 →
CVE-2026-105016
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network
9.8
Critical
CVE-2026-58280
Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network
7.5
High
CVE-2026-96957
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature…
8.8
High
CVE-2026-96234
Origin validation error in .NET allows an unauthorized attacker to disclose information over a network
5.3
Medium