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CVE-2026-20463

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MediaTek公司的一款芯片组产品。 MediaTek chipset存在权限许可和访问控制问题漏洞，该漏洞源于权限绕过，可能导致在攻击者已获取系统权限的情况下实现本地权限提升。以下版本受到影响：MT2716、MT2735、MT2737、MT6739、MT6761、MT6762、MT6763、MT6765、MT6767、MT6768、MT6769、MT6771、MT6779、MT6781、MT6783、MT6785、MT6789、MT6813、MT6833、MT6835

AI Predicted 7.8 Difficulty: Moderate EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 83

VendorProduct Version RangeStatus
MediaTek, Inc. MediaTek chipset MT2716 affected
MT2735 affected
MT2737 affected
MT6739 affected
MT6761 affected
MT6762 affected
MT6763 affected
MT6765 affected
… +75 more rows
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I. Basic Information for CVE-2026-20463

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Modem, there is a possible escalation of privilege due to a permissions bypass. 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: MOLY01716533; Issue ID: MSV-6309.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不充分权限或特权的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
MediaTek chipset 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek chipset是MediaTek公司的一款芯片组产品。 MediaTek chipset存在权限许可和访问控制问题漏洞，该漏洞源于权限绕过，可能导致在攻击者已获取系统权限的情况下实现本地权限提升。以下版本受到影响：MT2716、MT2735、MT2737、MT6739、MT6761、MT6762、MT6763、MT6765、MT6767、MT6768、MT6769、MT6771、MT6779、MT6781、MT6783、MT6785、MT6789、MT6813、MT6833、MT6835
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 MT2716 -

II. Public POCs for CVE-2026-20463

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III. Intelligence Information for CVE-2026-20463

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Vendor Advisories for CVE-2026-20463 (1)

Same Patch Batch · MediaTek, Inc. · 2026-07-01 · 7 CVEs total

CVE-2026-20457 MediaTek chipset 异常处理不当漏洞
CVE-2026-20458 MediaTek chipset 缓冲区错误漏洞
CVE-2026-20459 MediaTek chipset 授权问题漏洞
CVE-2026-20460 MediaTek chipset 授权问题漏洞
CVE-2026-20461 MediaTek chipset 缓冲区错误漏洞
CVE-2026-20462 MediaTek chipset 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: MediaTek chipset
Same vendor: MediaTek, Inc.
Same weakness: CWE-280

V. Comments for CVE-2026-20463

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