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CVE-2026-20462

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存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出，可能导致内存损坏，进而导致本地权限提升。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.11% · P2

Affected Version Matrix 22

VendorProduct Version RangeStatus
MediaTek, Inc. MediaTek chipset MT6739 affected
MT6761 affected
MT6765 affected
MT6768 affected
MT6781 affected
MT6789 affected
MT6833 affected
MT6853 affected
… +14 more rows
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I. Basic Information for CVE-2026-20462

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
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MediaTek公司的一款芯片组产品。 MediaTek chipset存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出，可能导致内存损坏，进而导致本地权限提升。
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-2026-20462

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III. Intelligence Information for CVE-2026-20462

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Vendor Advisories for CVE-2026-20462 (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-2026-20463 MediaTek chipset 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: MediaTek chipset
Same vendor: MediaTek, Inc.
Same weakness: CWE-122

V. Comments for CVE-2026-20462

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