CVE-2025-7326: microsoft asp.net core 6.0 Weak Authentication

Vulnerability summary

CVE-2025-7326 is a high (CVSS 7.0) Weak Authentication vulnerability in microsoft asp.net core 6.0. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.7% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 08-07-2025
   PublishedVulnerability first disclosed.
2. 22-07-2025
   Last modifiedVulnerability information updated.

Description

Weak authentication in EOL ASP.NET Core allows an unauthorized attacker to elevate privileges over a network. NOTE: This CVE affects only End Of Life (EOL) software components. The vendor, Microsoft, has indicated there will be no future updates nor support provided upon inquiry.

• CWE-1390Weak AuthenticationThe product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.