CVE-2026-20528
In ccci, there is a possible out of bounds write and read due to a missing bounds check.
Does this matter?
Lower severity and a low EPSS score (0.12%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.12% probability · 2th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- mediatek/mt2735 firmware · mediatek/mt2737 firmware · mediatek/mt6813 firmware · mediatek/mt6880 firmware · mediatek/mt6890 firmware · mediatek/mt6980d firmware · mediatek/mt6986 firmware · mediatek/mt6986d firmware · mediatek/mt6988 firmware · mediatek/mt6990 firmware
- Source
- security@mediatek.com
EPSS moved from 0.1% on 5 October 2026 to 0.1% on 26 October 2026.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.