SB2026061235 - Privilege escalation in Microsoft Windows Device Health Attestation (DHA)
Published: June 12, 2026
Security Bulletin ID
SB2026061235
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) Trust Boundary Violation (CVE-ID: CVE-2026-33828)
CWE-ID: CWE-501 - Trust Boundary Violation
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 escalate privileges on the system.
The vulnerability exists due to trust boundary violation in Windows Device Health Attestation (DHA), which leads to security restrictions bypass and privilege escalation.
Remediation
Install update from vendor's website.