# CVE-2026-20567: CVE-2026-20567

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

In afe, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431394; Issue ID: MSV-10004.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- MediaTek, Inc. / MediaTek chipset: MT6739 (affected); MT6765 (affected); MT6768 (affected); MT6769 (affected); MT6781 (affected); MT6789 (affected); MT6835 (affected); MT6853 (affected); MT6855 (affected); MT6858 (affected); MT6877 (affected); MT6878 (affected); MT6879 (affected); MT6881 (affected); MT6883 (affected); MT6885 (affected); MT6886 (affected); MT6889 (affected); MT6893 (affected); MT6895 (affected); MT6897 (affected); MT6899 (affected); MT6983 (affected); MT6985 (affected); MT6989 (affected); MT6991 (affected); MT6993 (affected); MT8168 (affected); MT8186 (affected); MT8188 (affected); MT8189 (affected); MT8195 (affected); MT8196 (affected); MT8365 (affected); MT8367 (affected); MT8390 (affected); MT8391 (affected); MT8668 (affected); MT8678 (affected); MT8793 (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-2026-20567; retrieved 2026-11-02; source updated 2026-11-02

Revision: 2edf63e10bf0e8f5dd41804ec3fc7b897f39e95e08c98556309cc69465cf1615

Canonical: https://y2.dev/cve/CVE-2026-20567