In Modem, there is a possible out of bounds write due to an incorrect bounds check.

Summary

In Modem, there is a possible out of bounds write due to an incorrect 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: MOLY01876654 / MOLY01774038; Issue ID: MSV-9803.

Remediation

1. Inventory every MediaTek, Inc. MediaTek chipset deployment, including staging.
2. No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

• Referencehttps://www.mediatek.com/product-security-bulletin/November-2026