MediaTekCVE-2026-20507
MediaTek chipset: privilege escalation
Medium6.7CVE-2026-20507 · Published Sep 7, 2026 · updated Sep 8, 2026
In Audio HAL, there is a possible escalation of privilege 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: ALPS11191981; Issue ID: MSV-9125.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| MediaTek chipset Product | <= MT2718 | No fix yet |
| <= MT6739 | No fix yet | |
| <= MT6761 | No fix yet | |
| <= MT6765 | 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 |