# CVE-2026-20576: CVE-2026-20576

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: ALPS11431385; Issue ID: MSV-9920.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- MediaTek, Inc. / MediaTek chipset: MT6789 (affected); MT6835 (affected); MT6855 (affected); MT6858 (affected); MT6877 (affected); MT6885 (affected); MT6886 (affected); MT6895 (affected); MT6897 (affected); MT6985 (affected); MT6988 (affected); MT6989 (affected); MT6991 (affected); MT6993 (affected). Source: CNA: MediaTek

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-191

## 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-2026-20576; retrieved 2026-11-02; source updated 2026-11-02

Revision: 50ba720b38be9b16bfd472dc9e194ac02991e8a17ff2b1c4f3935debf640c7d5

Canonical: https://y2.dev/cve/CVE-2026-20576