CVE-2026-40372NVD

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

Severity Level

CRITICAL(9.1)

Published Date

Apr 21, 2026

Last Modified

Apr 27, 2026

Exploitation Status

????

EPSS Score (30-Day)

0.02%Probability

Root Weakness (CWE)

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVE Watchtower