CVE-2026-55346

Published Nov 10, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
In km_read_data_response of keymaster.c, there is a possible way to trigger an out of bounds write on the heap due to a missing bounds 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

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History
Type Values Removed Values Added
Title Out-of-Bounds Heap Write in Android Keymaster Enables Local Privilege Escalation
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Out-of-Bounds Heap Write in Android Keymaster Enables Local Privilege Escalation
Type Values Removed Values Added
Weaknesses CWE-119
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
Description In km_read_data_response of keymaster.c, there is a possible way to trigger an out of bounds write on the heap due to a missing bounds 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 11, 2026, 4:58 AM
Reserved
Jun 16, 2026, 5:52 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 8:19 PM
Modified
Nov 11, 2026, 5:19 AM