.NET Security Feature Bypass Vulnerability
CVE-2026-96238

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
.net 10.0
.net 11.0
.net 8.0
.net 9.0
Vendor
CVE Published:
13 October 2026

What is CVE-2026-96238?

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.

Affected Version(s)

.NET 10.0 10.0.0 < 10.0.113

.NET 11.0 11.0.0 < 11.0.100-rc.2

.NET 8.0 8.0.0 < 8.0.426

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.