CVE-2026-20544: mediatek, inc. mediatek chipset Out-of-bounds Write

Vulnerability summary

CVE-2026-20544 is a medium (CVSS 6.8) Out-of-bounds Write vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.4% of scored vulnerabilities.

Timeline

1. 05-10-2026
   PublishedVulnerability first disclosed.
2. 05-10-2026
   Last modifiedVulnerability information updated.

Description

In meta, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.