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CVE-2026-40372

critical · 9.1

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

9.1
CVSS
11.2%
EPSS (exploit prob.)
96th
EPSS percentile
2026-04-21
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-347

Affected products

VendorProductAffected versions
microsoftasp.net_core>= 10.0.0, < 10.0.7

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-40372