# CVE-2026-20559: CVE-2026-20559

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

In GPU pdma, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365081; Issue ID: MSV-9545.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- MediaTek, Inc. / MediaTek chipset: MT6993 (affected); MT8910 (affected). Source: CNA: MediaTek

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-416

## 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-2026-20559; retrieved 2026-11-02; source updated 2026-11-02

Revision: e35c51f7fbeab8e6d4865b152a5c0da2eb70ceb34981e908d0fbdf6e4e5f55bd

Canonical: https://y2.dev/cve/CVE-2026-20559