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CVE-2026-40372

nvd nist
Published: Apr 21, 2026Modified: Jul 15, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 3.9 / Impact: 5.2
Source: secure@microsoft.com (Secondary)

Description

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

Affected (1)

Microsoft
1 product
Asp.net Core
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Asp.net Core
From 10.0.0 to 10.0.7

Related CWEs

CWE-347
Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.

References (4)

Source: secure@microsoft.com
Vendor Advisory
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Timeline

No history available yet.