CVE-2026-40372
ASP.NET Core Elevation of Privilege Vulnerability
9.1
CRITICAL
CVSS 3.1
EPSS 0.02%
Description
Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
How to fix CVE-2026-40372
To remediate CVE-2026-40372, upgrade the affected package to a fixed version below.
- Bitnami/aspnet-core—upgrade to 10.0.7 or later
- —upgrade to 10.0.7 or later
Is CVE-2026-40372 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 10.0.0, < 10.0.7
- >= 10.0.0, < 10.0.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |