Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
What actions do customers need to perform to be protected against this vulnerability?
Surface devices get updates through Windows Update. See Surface update history for more information.
If you wish to install the updates manually, you can do the following:
In the Surface app, expand Help & support to check the update status.
If there are updates available, select the Check for updates button to open Windows Update and install the available updates.
Vulnerabilities 1
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High 7.8
Surface Broker SDMA Elevation of Privilege Vulnerability
Insufficient granularity of access control in Microsoft Surface allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2026-48581 Surface Broker SDMA Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48581
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss