CVE-2026-96960

Name of the Vulnerable Software and Affected Versions System.Security.Cryptography.Xml versions 10.0.0 through 10.0.12 System.Security.Cryptography.Xml versions 11.0.0-preview.1 through 11.0.0-rc.1 System.Security.Cryptography.Xml versions 8.0.0 through 8.0.4 System.Security.Cryptography.Xml versions 9.0.0 through 9.0.20

Description Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to cause a denial of service over a network. The issue resides within System.Security.Cryptography.Xml and System.Private.Xml.

Recommendations Update System.Security.Cryptography.Xml version 10.0.0 through 10.0.12 to version 10.0.13. Update System.Security.Cryptography.Xml version 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2. Update System.Security.Cryptography.Xml version 8.0.0 through 8.0.4 to version 8.0.5. Update System.Security.Cryptography.Xml version 9.0.0 through 9.0.20 to version 9.0.21. Recompile and redeploy any self-contained applications targeting the affected versions.