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CVE-2026-20452

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，该漏洞源于堆缓冲区溢出，可能导致远程代码执行，需要用户执行权限。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 9

VendorProduct Version RangeStatus
MediaTek, Inc. MediaTek chipset MT6890 affected
MT7615 affected
MT7915 affected
MT7916 affected
MT7981 affected
MT7986 affected
MT7990 affected
MT7992 affected
… +1 more rows
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I. Basic Information for CVE-2026-20452

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 wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.
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 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，该漏洞源于堆缓冲区溢出，可能导致远程代码执行，需要用户执行权限。
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 MT6890 -

II. Public POCs for CVE-2026-20452

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-20452

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Vendor Advisories for CVE-2026-20452 (1)

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

CVE-2026-20453 MediaTek Chipsets 安全漏洞
CVE-2026-20454 MediaTek Chipsets 安全漏洞
CVE-2026-20455 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-122

V. Comments for CVE-2026-20452

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