CVE-2026-20426 — Out-of-bounds Write in INC Mediatek Chipset

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
6.7MEDIUMNVD
EPSS
0.0%
top 99.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mediatek INC Mediatek ChipsetGoogle Android
Timeline
PublishedMar 2

Description

In display, there is a possible out of bounds write 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 exploitation. Patch ID: ALPS10320471; Issue ID: MSV-5538.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages2 packages

▶NVDgoogle/android14.0, 15.0, 16.0+2
▶CVEListV5mediatek_inc/mediatek_chipset29 versions+28

🔴Vulnerability Details

2
CVEList
CVE-2026-20426: In display, there is a possible out of bounds write due to a missing bounds check↗2026-03-02
▶
GHSA
GHSA-fm57-5c89-j982: In display, there is a possible out of bounds write due to a missing bounds check↗2026-03-02
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-20426 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-20426 — Out-of-bounds Write | cvebase