In gmc_mb_msg_handler of gmc_mba.c, there is a possible memory corruption 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.
History

Mon, 21 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Sun, 20 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via gmc_mb_msg_handler Memory Corruption in Android

Thu, 17 Sep 2026 10:15:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Confused Deputy in Android gmc_mb_msg_handler

Wed, 16 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Confused Deputy in Android gmc_mb_msg_handler

Tue, 15 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 15 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-441
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'}


Tue, 15 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android

Tue, 15 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Description In gmc_mb_msg_handler of gmc_mba.c, there is a possible memory corruption 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

cve-icon MITRE

Status: PUBLISHED

Assigner: Google_Devices

Published: 2026-09-15T18:33:50.194Z

Updated: 2026-09-16T03:57:58.681Z

Reserved: 2026-06-23T16:03:12.303Z

Link: CVE-2026-56879

cve-icon Vulnrichment

Updated: 2026-09-15T20:59:22.699Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-15T19:17:23.690

Modified: 2026-09-21T17:19:34.230

Link: CVE-2026-56879

cve-icon Redhat

No data.