What is CVE-2026-20447?

CVE-2026-20447 is a medium-severity vulnerability in Mediatek Mt6768, classified under Out-of-bounds Read. CVSS score: 6.7/10. Published 2026-05-04.

How severe is CVE-2026-20447?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Out-of-bounds Read in Mediatek Mt6768

CVE-2026-20447

In geniezone, there is a possible escalation of privilege 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 ex…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (4.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mediatek Mt6768
Mediatek Mt6768_firmware
Mediatek Mt6789
Mediatek Mt6789_firmware
Mediatek Mt6877
Mediatek Mt6877_firmware
Mediatek Mt6899
Mediatek Mt6899_firmware
Mediatek Mt6989
Mediatek Mt6989_firmware

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20447?: CVE-2026-20447 is a medium-severity vulnerability in Mediatek Mt6768, classified under Out-of-bounds Read. CVSS score: 6.7/10. Published 2026-05-04.
How severe is CVE-2026-20447?: Medium severity. CVSS v3 base score is 6.7 out of 10.