CVE-2026-20528
MediaTek chipset: In ccci, there is a possible out of bounds write and read due to a missing bounds check. This could lead to local information disclosure, memory corruption, crashes, or privilege escalation if a malic
MediaTek, Inc. MediaTek chipset
CVSS
6.7MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.12%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
In ccci, there is a possible out of bounds write and read due to a missing bounds check. This could lead to local information disclosure, memory corruption, crashes, or privilege escalation if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS11428950 (Note: For MT6880, MT6890) / ALPS10563453 (Note: For MT6980D, MT6990, MT6986, MT6986D, MT6813, MT6988) / AUTO00858766 (Note: For MT2735, MT2737); Issue ID: MSV-9893.
Text from CVE List
Affected versions 10
- MediaTek chipsetaffected: MT2735CVE List
- MediaTek chipsetaffected: MT2737CVE List
- MediaTek chipsetaffected: MT6813CVE List
- MediaTek chipsetaffected: MT6880CVE List
- MediaTek chipsetaffected: MT6890CVE List
- MediaTek chipsetaffected: MT6980DCVE List
- MediaTek chipsetaffected: MT6986CVE List
- MediaTek chipsetaffected: MT6986DCVE List
- MediaTek chipsetaffected: MT6988CVE List
- MediaTek chipsetaffected: MT6990CVE List