medium5.9
CVE-2026-70162
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests.
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | System.Security.Cryptography.Pkcs | >= 10.0.0, <= 10.0.12 | 10.0.13 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | System.Security.Cryptography.Pkcs | from 10.0.0 before 10.0.13 |
| Microsoft | Microsoft Visual Studio 2026 Version 18.10 | from 18.10.0 before 18.10.4 |
| Microsoft | Microsoft Visual Studio 2022 Version 17.14 | from 17.14.0 before 17.14.42 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-2fmv-rv2c-59x7
- https://github.com/dotnet/runtime/security/advisories/GHSA-2fmv-rv2c-59x7
- https://github.com/dotnet/announcements/issues/454
- https://github.com/dotnet/runtime/issues/135699
- https://nvd.nist.gov/vuln/detail/CVE-2026-70162
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70162