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CVE-2026-21102

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SAMSUNG公司的一系列移动安全设备。 SAMSUNG Mobile devices SMR Sep-2026 Release 1之前版本存在资源管理错误漏洞，该漏洞源于DualDAR组件存在释放后重用问题，可能导致本地特权攻击者以root权限执行任意代码。

CVSS 9.3 · Critical EPSS 0.12% · P2

Possible ATT&CK Techniques 2 AI

T1069.002 · Domain Groups T1210.001

Affected Version Matrix 1

VendorProduct Version RangeStatus
Samsung Mobile Samsung Mobile Devices SMR Sep-2026 Release in Android 14, 15, 16, 17< * unaffected
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I. Basic Information for CVE-2026-21102

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in DualDAR prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code with root privilege.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG Mobile devices 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Mobile devices是韩国SAMSUNG公司的一系列移动安全设备。 SAMSUNG Mobile devices SMR Sep-2026 Release 1之前版本存在资源管理错误漏洞，该漏洞源于DualDAR组件存在释放后重用问题，可能导致本地特权攻击者以root权限执行任意代码。
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 Sep-2026 Release in Android 14, 15, 16, 17 ~ * -

II. Public POCs for CVE-2026-21102

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III. Intelligence Information for CVE-2026-21102

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Vendor Advisories for CVE-2026-21102 (1)

Same Patch Batch · Samsung Mobile · 2026-09-09 · 29 CVEs total

CVE-2026-21095 9.2 CRITICAL SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21096 9.2 CRITICAL SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21092 8.8 HIGH SAMSUNG Mobile devices 路径遍历漏洞
CVE-2026-21087 8.6 HIGH SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21085 8.4 HIGH SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21101 8.4 HIGH SAMSUNG Mobile devices 输入验证错误漏洞
CVE-2026-21104 7.1 HIGH SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21098 6.9 MEDIUM SAMSUNG Mobile devices 权限许可和访问控制问题漏洞
CVE-2026-21088 6.9 MEDIUM SAMSUNG Mobile devices 输入验证错误漏洞
CVE-2026-21089 6.9 MEDIUM SAMSUNG Mobile devices 输入验证错误漏洞
CVE-2026-21100 6.9 MEDIUM SAMSUNG Mobile devices 权限许可和访问控制问题漏洞
CVE-2026-21111 6.9 MEDIUM SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21110 6.9 MEDIUM SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21108 6.9 MEDIUM SAMSUNG Bixby Touch 权限许可和访问控制问题漏洞
CVE-2026-21107 6.9 MEDIUM SAMSUNG Notes 缓冲区错误漏洞
CVE-2026-21103 6.8 MEDIUM SAMSUNG Mobile devices 路径遍历漏洞
CVE-2026-21094 6.1 MEDIUM SAMSUNG Mobile devices 输入验证错误漏洞
CVE-2026-21105 5.9 MEDIUM SAMSUNG Collection 权限许可和访问控制问题漏洞
CVE-2026-21093 5.6 MEDIUM SAMSUNG Mobile devices 缓冲区错误漏洞
CVE-2026-21106 5.1 MEDIUM SAMSUNG Cloud Assistant 安全漏洞

Showing top 20 of 29 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Samsung Mobile Devices
Same vendor: Samsung Mobile

V. Comments for CVE-2026-21102

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