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CVE-2026-20508

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 Chipset是中国MediaTek公司的一款集成通信与运算功能的芯片组产品。 MediaTek Chipset存在缓冲区错误漏洞，该漏洞源于Power HAL中的类型混淆问题，可能导致已获得System权限的恶意攻击者实现本地权限提升。以下版本受到影响：MT2718版本、MT6739版本、MT6761版本、MT6765版本、MT6768版本、MT6769版本、MT6781版本、MT6789版本、MT6833版本、MT6835版本、MT6853版本、MT6855版本、MT6858版本、M

AI Predicted 7.0 Difficulty: Moderate EPSS 0.11% · P1

Affected Version Matrix 40

VendorProduct Version RangeStatus
MediaTek, Inc. MediaTek chipset MT2718 affected
MT6739 affected
MT6761 affected
MT6765 affected
MT6768 affected
MT6769 affected
MT6781 affected
MT6789 affected
… +32 more rows
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I. Basic Information for CVE-2026-20508

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Power HAL, there is a possible escalation of privilege due to type confusion. 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: ALPS11165543; Issue ID: MSV-9012.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: CVE Program / CVE List V5
Vulnerability Title
MediaTek Chipset 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek Chipset是中国MediaTek公司的一款集成通信与运算功能的芯片组产品。 MediaTek Chipset存在缓冲区错误漏洞，该漏洞源于Power HAL中的类型混淆问题，可能导致已获得System权限的恶意攻击者实现本地权限提升。以下版本受到影响：MT2718版本、MT6739版本、MT6761版本、MT6765版本、MT6768版本、MT6769版本、MT6781版本、MT6789版本、MT6833版本、MT6835版本、MT6853版本、MT6855版本、MT6858版本、M
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 MT2718 -

II. Public POCs for CVE-2026-20508

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III. Intelligence Information for CVE-2026-20508

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Vendor Advisories for CVE-2026-20508 (1)

Same Patch Batch · MediaTek, Inc. · 2026-09-07 · 18 CVEs total

CVE-2026-20509 MediaTek Chipset 缓冲区错误漏洞
CVE-2026-20500 MediaTek Chipset 加密问题漏洞
CVE-2026-20501 MediaTek Chipset 缓冲区错误漏洞
CVE-2026-20502 MediaTek Chipset 缓冲区错误漏洞
CVE-2026-20503 MediaTek Chipset 异常处理不当漏洞
CVE-2026-20504 MediaTek Chipset 异常处理不当漏洞
CVE-2026-20516 MediaTek Chipset 权限许可和访问控制问题漏洞
CVE-2026-20506 MediaTek Chipset 资源管理错误漏洞
CVE-2026-20507 MediaTek Chipset 资源管理错误漏洞
CVE-2026-20518 MediaTek Chipset 缓冲区错误漏洞
CVE-2026-20510 MediaTek Chipset 资源管理错误漏洞
CVE-2026-20511 MediaTek Chipset 资源管理错误漏洞
CVE-2026-20512 MediaTek Chipset 授权问题漏洞
CVE-2026-20513 MediaTek Chipset 路径遍历漏洞
CVE-2026-20514 MediaTek Chipset 授权问题漏洞
CVE-2026-20515 MediaTek Chipset 资源管理错误漏洞
CVE-2026-20517 MediaTek Chipset 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: MediaTek chipset
Same vendor: MediaTek, Inc.
Same weakness: CWE-843