MediaTekCVE-2026-20511
MediaTek chipset: memory corruption
Medium6.7CVE-2026-20511 · Published Sep 7, 2026 · updated Sep 8, 2026
In SurfaceFlinger, there is a possible memory corruption due to use after free. 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: ALPS11123860; Issue ID: MSV-8890.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| MediaTek chipset Product | <= MT6858 | No fix yet |
| <= MT6881 | No fix yet | |
| <= MT6993 | No fix yet | |
| <= MT8668 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-416
More MediaTek advisories
All MediaTek| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 7 | MediaTek chipset: information disclosure | Medium4.4 | No fix yet |
| Sep 7 | MediaTek chipset: information disclosure | Medium4.4 | No fix yet |
| Sep 7 | MediaTek chipset: use after free | Medium5.5 | No fix yet |
| Sep 7 | MediaTek chipset: privilege escalation | Medium5.5 | No fix yet |
| Sep 7 | MediaTek chipset: privilege escalation | Medium6.7 | No fix yet |
| Sep 7 | MediaTek chipset: information disclosure | Medium4.4 | No fix yet |