Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 13, 2026 · NIST NVD

   Detected

   Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.

2. Oct 14, 2026 · NIST NVD

   Updated

   Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.

Sources

• CVE.orgVulnerability recordCVE-2026-70194

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-70194

  30-day exploitation probability 0.4%

  first.org
• NIST NVDVulnerability recordCVE-2026-70194

  Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.

  nvd.nist.gov

References

• Reference · msrc.microsoft.com