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CVE-2026-40372

9.1 critical SSVC exploitation: none Modified
NVD · CVE.org

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

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.1 · microsoftNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*

References 4