# CVE-2026-20553: CVE-2026-20553

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

In DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11468968; Issue ID: MSV-10166.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- MediaTek, Inc. / MediaTek chipset: MT2713 (affected); MT2718 (affected); MT2737 (affected); MT6781 (affected); MT6789 (affected); MT6813 (affected); MT6835 (affected); MT6855 (affected); MT6858 (affected); MT6878 (affected); MT6879 (affected); MT6880 (affected); MT6881 (affected); MT6886 (affected); MT6890 (affected); MT6895 (affected); MT6897 (affected); MT6899 (affected); MT6982VB (affected); MT6983 (affected); MT6985 (affected); MT6986 (affected); MT6989 (affected); MT6990 (affected); MT6991 (affected); MT8188 (affected); MT8189 (affected); MT8370 (affected); MT8390 (affected); MT8676 (affected); MT8678 (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-2026-20553; retrieved 2026-11-02; source updated 2026-11-02

Revision: a2d87c0a3fe6b4ff160f78dee4bfd4021dcc87be91ae50c462216aeceb185e9d

Canonical: https://y2.dev/cve/CVE-2026-20553