MediaTek MT6880 ccci OOB Write Allowing Remote Denial of Service
CVE-2026-20552 Published on November 2, 2026
In ccci, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11523478 (Note: For MT6880, MT6890) / ALPS11297423 (Note: For MT6813, MT6986, MT6982, MT6980D) / AUTO00864897 (Note: For MT2735, MT2737); Issue ID: MSV-10724.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-20552 has been classified to as a Memory Corruption vulnerability or weakness.
Affected Versions
MediaTek, Inc. MediaTek chipset:- Version MT2735 is affected.
- Version MT2737 is affected.
- Version MT6813 is affected.
- Version MT6880 is affected.
- Version MT6890 is affected.
- Version MT6980D is affected.
- Version MT6982 is affected.
- Version MT6986 is affected.
- Version MT6988 is affected.
- Version MT6990 is affected.