CVE-2026-45490
High
Description
Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft .net
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-285CWE-285
How to fix
Update
- microsoft .net8.0.28, 9.0.17, 10.0.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft .net | 8.0.0 ≤ v < 8.0.28, 9.0.0 ≤ v < 9.0.17, 10.0.0 ≤ v < 10.0.9 | 8.0.28, 9.0.17, 10.0.9 |
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