Sep 2026: .NET Information Disclosure Vulnerability
CVE-2026-58649 Published on September 8, 2026
.NET Information Disclosure Vulnerability
Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
Weakness Type
Origin Validation Error
The software does not properly verify that the source of data or communication is valid.
Products Associated with CVE-2026-58649
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-58649 are published in these products:
Affected Versions
Microsoft .NET 10.0:- Version 10.0.0 and below 10.0.111, 10.0.400 is affected.
- Version 11.0.0 and below 11.0 RC1 is affected.
- Version 8.0.0 and below 8.0.130, 8.0.424 is affected.
- Version 9.0.0 and below 9.0.120, 9.0.317 is affected.
- Version 17.14.0 and below 17.14.40 is affected.
- Version 18.9.0 and below 18.9.3 is affected.