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CVE-2026-20474

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MediaTek公司的一系列芯片。 MediaTek Chipsets 存在竞争条件问题漏洞，该漏洞源于display模块存在竞争条件问题，可能导致已获得System权限的恶意行为者实现本地权限提升。

AI Predicted 5.9 Difficulty: Hard EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 17

VendorProduct Version RangeStatus
MediaTek, Inc. MediaTek chipset MT6991 affected
MT6993 affected
MT8126 affected
MT8171 affected
MT8188 affected
MT8189 affected
MT8367 affected
MT8668 affected
… +9 more rows
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I. Basic Information for CVE-2026-20474

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In display, there is a possible escalation of privilege due to a race condition. 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: ALPS11019183; Issue ID: MSV-7758.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
MediaTek Chipsets 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek Chipsets是中国MediaTek公司的一系列芯片。 MediaTek Chipsets 存在竞争条件问题漏洞，该漏洞源于display模块存在竞争条件问题，可能导致已获得System权限的恶意行为者实现本地权限提升。
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 MT6991 -

II. Public POCs for CVE-2026-20474

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III. Intelligence Information for CVE-2026-20474

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Vendor Advisories for CVE-2026-20474 (1)

Same Patch Batch · MediaTek, Inc. · 2026-08-03 · 34 CVEs total

CVE-2026-20472 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20497 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20480 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20479 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20478 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20477 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20476 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20475 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20473 MediaTek Chipsets 资源管理错误漏洞
CVE-2026-20481 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20471 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20469 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20468 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20467 MediaTek Chipsets 权限许可和访问控制问题漏洞
CVE-2026-20466 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20465 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20464 MediaTek Chipsets 缓冲区错误漏洞
CVE-2026-20498 MediaTek Chipsets 软件供应链问题漏洞
CVE-2026-20482 MediaTek Chipsets 资源管理错误漏洞
CVE-2026-20483 MediaTek Chipsets 授权问题漏洞

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: MediaTek chipset
Same vendor: MediaTek, Inc.
Same weakness: CWE-367

V. Comments for CVE-2026-20474

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