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OpenAdvisories
High · 7.5 CVE-2026-20557 EUVD-2026-115022GHSA-f3f6-67rr-rmf6

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…

Published Nov 2, 2026 · Updated Nov 4, 2026 · Assigned by MediaTek

Vendor: MediaTek Product: MediaTek chipset

Description

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 not needed for exploitation. Patch ID: MOLY01877236; Issue ID: MSV-9804.

Affected products

VendorProductAffectedFixed
MediaTek MediaTek chipset MT2716, MT6813, MT6815, MT6835, MT6858, MT6878, MT6881, MT6897, MT6899, MT6982, MT6986, MT6988, MT6991, MT6993, MT8668, MT8676, MT8678, MT8755, MT8775, MT8792, MT8793, MT8863, MT8873, MT8875, MT8883 —

Advisories 2

References