5.9
Medium
CVE-2026-69304 Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny…
Description
Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service 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 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 |
| ASP.NET Core 10.0 10.0 | 10.0 → < 10.0.12 | 10.0.12 |
| ASP.NET Core 11.0 11.0 | 11.0 → latest | No fix stated |
| ASP.NET Core 8.0 8.0 | 8.0 → < 8.0.31 | 8.0.31 |
| ASP.NET Core 9.0 9.0 | 9.0 → < 9.0.20 | 9.0.20 |
| 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 |
Show the 3 other branches Hide the 3 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| .NET 10.0 runtime 10.0 | 10.0.0 → < 10.0.12 | 10.0.12 |
| .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
- ASP.NET Core Denial of Service 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