CVE-2026-20409 — Out-of-bounds Write in INC Mediatek Chipset

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 99.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mediatek INC Mediatek ChipsetGoogle Android
Timeline
PublishedFeb 2

Description

In imgsys, 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: ALPS10363246; Issue ID: MSV-5779.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶NVDgoogle/android15.0
▶CVEListV5mediatek_inc/mediatek_chipsetMT6897, MT6989+1

🔴Vulnerability Details

2
CVEList
CVE-2026-20409: In imgsys, there is a possible out of bounds write due to a missing bounds check↗2026-02-02
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GHSA
GHSA-cr4g-4vcj-5vxw: In imgsys, there is a possible out of bounds write due to a missing bounds check↗2026-02-02
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20409 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-20409 — Out-of-bounds Write | cvebase