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CVE-2026-20455

Quick assessment

Affected
MediaTek, Inc. MediaTek chipset
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MediaTek Chipsets是中国联发科（MediaTek）公司的一系列芯片。 MediaTek Chipsets存在安全漏洞，该漏洞源于geniezone缺少边界检查导致越界写入，可能导致本地权限提升，需要系统权限。

AI Predicted 4.4 Difficulty: Hard EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 36

VendorProduct Version RangeStatus
MediaTek, Inc. MediaTek chipset MT6739 affected
MT6761 affected
MT6765 affected
MT6768 affected
MT6781 affected
MT6789 affected
MT6835 affected
MT6853 affected
… +28 more rows
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I. Basic Information for CVE-2026-20455

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In geniezone, 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: ALPS10873936; Issue ID: MSV-6784.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
MediaTek Chipsets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek Chipsets是中国联发科（MediaTek）公司的一系列芯片。 MediaTek Chipsets存在安全漏洞，该漏洞源于geniezone缺少边界检查导致越界写入，可能导致本地权限提升，需要系统权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MediaTek, Inc. MediaTek chipset MT6739 -

II. Public POCs for CVE-2026-20455

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III. Intelligence Information for CVE-2026-20455

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Vendor Advisories for CVE-2026-20455 (1)

Same Patch Batch · MediaTek, Inc. · 2026-06-01 · 5 CVEs total

CVE-2026-20452 MediaTek Chipsets 安全漏洞
CVE-2026-20453 MediaTek Chipsets 安全漏洞
CVE-2026-20454 MediaTek Chipsets 安全漏洞
CVE-2026-20456 MediaTek Chipsets 安全漏洞

IV. Related Vulnerabilities

Same product: MediaTek chipset
Same vendor: MediaTek, Inc.
Same weakness: CWE-787

V. Comments for CVE-2026-20455

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