CVE-2026-40372
Critical · 9.1CVSS
9.1
EPSS
0.8%
Published
Apr 21, 2026
CISA due date
—
The record
Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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