CVE-2026-56909

Published Nov 10, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
In multiple functions of sswrp_cpm.dtsi, there is a possible way to modify voltage control registers from non-secure software due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Local Privilege Escalation via Unauthorized Voltage Register Modification
Weaknesses CWE-272
CWE-284
CWE-640
Type Values Removed Values Added
Title Local Privilege Escalation via Unauthorized Voltage Register Modification
Weaknesses CWE-272
CWE-284
CWE-640
Type Values Removed Values Added
Description In multiple functions of sswrp_cpm.dtsi, there is a possible way to modify voltage control registers from non-secure software due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
References

Subscriptions

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Weaknesses

Sources

Status
PUBLISHED
Assigner
Google_Devices
Published
Updated
Nov 13, 2026, 2:36 PM
Reserved
Jun 23, 2026, 4:08 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 8:19 PM
Modified
Nov 13, 2026, 3:17 PM