August 15, 2026

CVE Watchtower


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CVE-2026-40372NVD

Vulnerability Summary

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
Jun 27, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
11.21%Probability
Root Weakness (CWE)
CWE-347: Unknown/Unlisted Weakness ↗
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

External References