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CVE-2026-21023

Quick assessment

Affected
Samsung Mobile Samsung Mobile Devices
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.

SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices存在安全漏洞，该漏洞源于数据真实性验证不足，可能导致本地攻击者修改特定应用程序的安装限制。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.10% · P1

Affected Version Matrix 1

VendorProduct Version RangeStatus
Samsung Mobile Samsung Mobile Devices SMR Mar-2026 Release in Android 14, 15, 16< * unaffected
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I. Basic Information for CVE-2026-21023

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient verification of data authenticity in PackageManagerService prior to SMR Mar-2026 Release 1 allows local attackers to modify the installation restriction of specific application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG Mobile devices 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices存在安全漏洞，该漏洞源于数据真实性验证不足，可能导致本地攻击者修改特定应用程序的安装限制。
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
Samsung Mobile Samsung Mobile Devices SMR Mar-2026 Release in Android 14, 15, 16 ~ * -

II. Public POCs for CVE-2026-21023

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-21023

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Vendor Advisories for CVE-2026-21023 (1)

IV. Related Vulnerabilities

Same product: Samsung Mobile Devices
Same vendor: Samsung Mobile

V. Comments for CVE-2026-21023

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