MediaTekCVE-2026-20462
MediaTek chipset: memory corruption
Medium6.7CVE-2026-20462 · Published Jul 1, 2026 · updated Jul 2, 2026
In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| MediaTek chipset Product | <= MT6739 | No fix yet |
| <= MT6761 | No fix yet | |
| <= MT6765 | No fix yet | |
| <= MT6768 | 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-122
More MediaTek advisories
All MediaTek| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 1 | MediaTek chipset: information disclosure | Medium5.3 | No fix yet |
| Jul 1 | MediaTek chipset: out-of-bounds write | Medium5.3 | No fix yet |
| Jul 1 | MediaTek chipset: privilege escalation | Medium6.7 | No fix yet |
| Jul 1 | MediaTek chipset: improper input validation | Medium5.3 | No fix yet |
| Jul 1 | MediaTek chipset: improper input validation | Medium5.3 | No fix yet |
| Jul 1 | MediaTek chipset: memory corruption | High7.5 | No fix yet |