CVE-2026-56879

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.

Scoring

Severity
MEDIUM
CVSS base score
6.7
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS probability
0.07%
Published
2026-09-15
Last modified
2026-09-16

Affected products

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