CVE-2026-56978

Out-of-Bounds Read in Android gc.c Enables Local Privilege Escalation

Published Sep 15, 2026 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Description
In get_global_config_item_addr of gc.c, there is a possible out-of-bounds read due to a missing bounds check. 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

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Out-of-Bounds Read in Android gc.c Enables Local Privilege Escalation
Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Local Privilege Escalation via Out-of-Bounds Read in Android gc.c
Weaknesses CWE-787
Type Values Removed Values Added
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'}

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
Weaknesses CWE-120
CWE-125
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 Local Privilege Escalation via Out-of-Bounds Read in Android gc.c
Weaknesses CWE-787
Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android
Type Values Removed Values Added
Description In get_global_config_item_addr of gc.c, there is a possible out-of-bounds read due to a missing bounds check. 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_Devices
Published
Updated
Sep 17, 2026, 3:56 AM
Reserved
Jun 23, 2026, 4:20 PM
Status
Analyzed
Published
Sep 15, 2026, 7:17 PM
Modified
Sep 18, 2026, 7:49 PM