SB2026060967 - Privilege escalation in Microsoft .NET SDK
Published: June 9, 2026
Security Bulletin ID
SB2026060967
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authorization (CVE-ID: CVE-2026-45490)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to bypass authorization checks.
The vulnerability exists due to insufficient authorization controls in NET SDK. A local user can gain elevated privileges on the target system.
Remediation
Install update from vendor's website.