EUVD-2026-78955
GHSA-ffj5-38p8-49hw
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (Google_Devices) · only source for this CVE.
CVSS VectorVendor: Google_Devices
Lifecycle Timeline
4DescriptionCVE.org
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.
AnalysisAI
Memory corruption in the Android kernel's GMC mailbox message handler (gmc_mb_msg_handler in gmc_mba.c) allows a local attacker who already holds System-level execution privileges to leverage a confused-deputy condition and escalate privileges on the device. The flaw is tracked as CWE-441 and rated CVSS 6.7 (AV:L/AC:L/PR:H/UI:N), meaning it is not remotely reachable and requires a high-privilege foothold rather than being an entry point; user interaction is not needed once that footing exists. …
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Same technique Privilege Escalation
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External POC / Exploit Code
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