SB20260610103 - Spoofing attack in Microsoft Azure Attestation service and Device Health Attestation Service
Published: June 10, 2026
Security Bulletin ID
SB20260610103
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2026-45642)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Azure Attestation service and Device Health Attestation Service. An administrator with physical access can perform spoofing attack on the system.
Remediation
Install update from vendor's website.