SB2026071766 - Privilege escalation in Microsoft Surface Broker SDMA
Published: July 17, 2026
Security Bulletin ID
SB2026071766
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) Insufficient Granularity of Access Control (CVE-ID: CVE-2026-48581)
CWE-ID: CWE-1220 - Insufficient Granularity of Access Control
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 insufficient granularity of access control in Surface Broker SDMA, which leads to security restrictions bypass and privilege escalation.
Remediation
Install update from vendor's website.