CVE-2026-56966

Published Nov 10, 2026 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Description
In CommitToBuffer of hal_override_options.bundle.cc, there is a possible way to retain stale direct memory access mappings to secure memory due to a confused deputy. 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
Title Confused Deputy in HAL Allows Stale Secure Memory Mappings Leading to Local Privilege Escalation
Weaknesses CWE-640
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Confused Deputy in HAL Allows Stale Secure Memory Mappings Leading to Local Privilege Escalation
Weaknesses CWE-640
Type Values Removed Values Added
Description In CommitToBuffer of hal_override_options.bundle.cc, there is a possible way to retain stale direct memory access mappings to secure memory due to a confused deputy. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
References

Subscriptions

No data.

Weaknesses

No weakness.

Sources

Status
PUBLISHED
Assigner
Google_Devices
Published
Updated
Nov 13, 2026, 5:01 AM
Reserved
Jun 23, 2026, 4:16 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 8:19 PM
Modified
Nov 13, 2026, 5:18 AM