CVE-2026-40097: Improper Validation of Array Index

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

Description of the Security and Quality Rollup for the .NET Framework 4.5.2 for Windows Server 2012 (KB 4054994)

Description of the Security and Quality Rollup for the .NET Framework 4.5.2 for Windows Server 2012 KB 4054994 View products that this article applies to. Summary This security update resolves a security feature bypass vulnerability that exists when Microsoft .NET Framework and .NET Core...