CVE-2026-20556 | MediaTek MT8893 Modem out-of-bounds write (MOLY01876662)

A vulnerability was found in MediaTek MT2716, MT2735, MT2737, MT6813, MT6815, MT6833, MT6835, MT6853, MT6855, MT6858, MT6873, MT6875, MT6877, MT6878, MT6879, MT6880, MT6881, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6896, MT6897, MT6899, MT6980, MT6982, MT6983, MT6985, MT6986, MT6988, MT6989, MT6990, MT6991, MT6993, MT8668, MT8676, MT8678, MT8755, MT8771, MT8775, MT8791, MT8791T, MT8792, MT8793, MT8796, MT8797, MT8798, MT8863, MT8873, MT8875, MT8883 and MT8893 and classified as very critical. Impacted is an unknown function of the component Modem. The manipulation results in out-of-bounds write.

This vulnerability is known as CVE-2026-20556. It is possible to launch the attack remotely. No exploit is available.

Applying a patch is advised to resolve this issue.VulDB Recent EntriesRead More