What’s Vulnerable › Vulnerabilities
CVE-2026-70162: .NET Denial of Service Vulnerability
- Severity: medium (CVSS 5.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-13 · updated 2026-10-31
- Weakness: CWE-405
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 products
- Microsoft Visual Studio 2026 version 18.10: from 18.10.0 before 18.10.4 — fixed in 18.10.4
- Microsoft System.Security.Cryptography.Pkcs: from 10.0.0 before 10.0.13 — fixed in 10.0.13
- Microsoft Visual Studio 2022 version 17.14: from 17.14.0 before 17.14.42 — fixed in 17.14.42
How to fix
Upgrade to a fixed version: Microsoft Visual Studio 2026 version 18.10 18.10.4; Microsoft System.Security.Cryptography.Pkcs 10.0.13; Microsoft Visual Studio 2022 version 17.14 17.14.42. Check the vendor advisory for mitigations.
References
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