Jun 2026: .NET SDK Elevation of Privilege Vulnerability
CVE-2026-45490 Published on June 9, 2026
.NET SDK Elevation of Privilege Vulnerability
Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-45490 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-45490
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Affected Versions
Microsoft .NET 10.0:- Version 10.0.0 and below 10.0.9 is affected.
- Version 8.0.0 and below 8.0.28 is affected.
- Version 9.0.0 and below 9.0.17 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.