CVE-2026-45490 HIGH

CVE-2026-45490: .NET SDK Elevation of Privilege Vulnerability

Vendor Microsoft
Product .NET 10.0
Weakness CWE-285
Published June 9, 2026
Last update June 30, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper authorization in .NET allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 30, 2026 Record updated