Vulnerability · Published Oct 13, 2026 · Assigned by microsoft
CVE-2026-70162.NET Denial of Service Vulnerability
Medium 5.9
In plain English
A medium-severity security flaw in Microsoft Visual Studio 2022 version 17.14 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application. The update addresses the vulnerability by correcting how the .NET web application handles web requests.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | dotnet10-runtime | 10.0.13-r0 | ALPINE-CVE-2026-70162 |
| Alpine:v3.24 | dotnet10-runtime | 10.0.13-r0 | ALPINE-CVE-2026-70162 |
| Alpine:v3.22 | dotnet8-runtime | 8.0.32-r0 | ALPINE-CVE-2026-70162 |
| Alpine:v3.23 | dotnet8-runtime | 8.0.32-r0 | ALPINE-CVE-2026-70162 |
| Alpine:v3.24 | dotnet8-runtime | 8.0.32-r0 | ALPINE-CVE-2026-70162 |
| Alpine:v3.22 | dotnet9-runtime | 9.0.21-r0 | ALPINE-CVE-2026-70162 |
| Alpine:v3.23 | dotnet9-runtime | 9.0.21-r0 | ALPINE-CVE-2026-70162 |
| Alpine:v3.24 | dotnet9-runtime | 9.0.21-r0 | ALPINE-CVE-2026-70162 |
| NuGet | system.security.cryptography.pkcs | 9.0.21 | GHSA-2fmv-rv2c-59x7 |
| NuGet | system.security.cryptography.pkcs | 10.0.13 | GHSA-2fmv-rv2c-59x7 |
| NuGet | system.security.cryptography.pkcs | 11.0.0-rc.2 | GHSA-2fmv-rv2c-59x7 |
| NuGet | system.security.cryptography.pkcs | 8.0.2 | GHSA-2fmv-rv2c-59x7 |
| Ubuntu:22.04:LTS | dotnet7 | no fix listed | UBUNTU-CVE-2026-70162 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 – before 17.14.42 |
| Microsoft | Microsoft Visual Studio 2026 version 18.10 | 18.10.0 – before 18.10.4 |
| Microsoft | System.Security.Cryptography.Pkcs | 10.0.0 – before 10.0.13 |
Weakness: CWE-405 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
References
- .NET Denial of Service Vulnerability vendor-advisory, patch