EUVD-2026-19566CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01406170; Issue ID: MSV-4461.
Analysis
Out-of-bounds write in MediaTek modem chipset implementations allows remote privilege escalation when user equipment connects to an attacker-controlled rogue cellular base station. Affects 57 MediaTek chipset models across MT67xx, MT68xx, MT69xx, MT87xx, and MT27xx families used in mobile devices. …
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Remediation
Within 24 hours: Identify all mobile devices in inventory using affected MediaTek chipsets (MT67xx, MT68xx, MT69xx, MT87xx, MT27xx families) through MDM/EMM platforms or asset management systems. Within 7 days: Contact device OEMs and carriers to confirm availability of firmware update MOLY01406170 for your specific device models; push patches to test population. …
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