ASP.NET Core Elevation of Privilege Vulnerability
view advisory published 2026-04-21
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-40372US | — | — | ||
Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network. | ||||
02
references
External citations — patches, advisories, analysis.
03
remediations (2)
- FixedASP.NET Core 10.0
10.0.7:Security Update:https://support.microsoft.com/help/5091596
https://support.microsoft.com/help/5091596 - FixedMicrosoft Visual Studio 2026 version 18.5
18.5.2:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
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