# CVE-2026-20552: CVE-2026-20552

Status: published. Published: 2026-11-02. Updated: 2026-11-02.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- MediaTek, Inc. / MediaTek chipset: MT2735 (affected); MT2737 (affected); MT6813 (affected); MT6880 (affected); MT6890 (affected); MT6980D (affected); MT6982 (affected); MT6986 (affected); MT6988 (affected); MT6990 (affected). Source: CNA: MediaTek

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-787

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.mediatek.com/product-security-bulletin/November-2026 (CNA: MediaTek)

## Provenance

- CNA: MediaTek: https://www.cve.org/CVERecord?id=CVE-2026-20552; retrieved 2026-11-02; source updated 2026-11-02

Revision: 313bfa166a9cd1259ec1fd3adababf8c22e497927789f903ae49ced89787c025

Canonical: https://y2.dev/cve/CVE-2026-20552