CVE-2026-55266

Out‑of‑Bounds Write in Android qsort Allows Local Privilege Escalation

Published Oct 5, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
In qsort of libufdt_sysdeps_vendor.c, there is a possible out-of-bounds write due to resource exhaustion. This could lead to local escalation of privilege with no additional 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
CPEs cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:*
cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:*
Type Values Removed Values Added
Title Out‑of‑Bounds Write in Android qsort Allows Local Privilege Escalation
Type Values Removed Values Added
Title Android qsort Out‑of‑Bounds Write Enables Local Privilege Escalation
Weaknesses CWE-788
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
Title Android qsort Out‑of‑Bounds Write Enables Local Privilege Escalation
First Time appeared Google
Google android
Weaknesses CWE-788
Vendors & Products Google
Google android
Type Values Removed Values Added
Description In qsort of libufdt_sysdeps_vendor.c, there is a possible out-of-bounds write due to resource exhaustion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Oct 6, 2026, 3:56 AM
Reserved
Jun 16, 2026, 5:39 PM
Status
Analyzed
Published
Oct 5, 2026, 7:17 PM
Modified
Oct 7, 2026, 3:09 PM