CVE-2026-40372

Description

Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.

Affected Platforms

Weakness Type

CWE-347, CWE-347

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40372
• https://access.redhat.com/security/cve/CVE-2026-40372
• https://bugzilla.redhat.com/show_bug.cgi?id=2460224
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40372.json