CVE-2026-21046
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公司的一系列的三星移动设备,包括手机、平板等。 Samsung Mobile Devices SMR Jul-2026 Release 1之前版本存在竞争条件问题漏洞，该漏洞源于fabricKeymaster trustlet中的检查时间与使用时间竞争条件问题，可能导致本地特权攻击者执行任意代码。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1211 · Exploitation for StealthAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Samsung Mobile | Samsung Mobile Devices | SMR Jul-2026 Release in Android 14, 15, 16< * |
unaffected |
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I. Basic Information for CVE-2026-21046
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Time-of-check time-of-use race condition in fabricKeymaster trustlet prior to SMR Jul-2026 Release 1 allows local privileged attackers to execute arbitrary code.
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: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 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Mobile devices是韩国SAMSUNG公司的一系列的三星移动设备,包括手机、平板等。 Samsung Mobile Devices SMR Jul-2026 Release 1之前版本存在竞争条件问题漏洞，该漏洞源于fabricKeymaster trustlet中的检查时间与使用时间竞争条件问题，可能导致本地特权攻击者执行任意代码。
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 Jul-2026 Release in Android 14, 15, 16 ~ * | - |
|
II. Public POCs for CVE-2026-21046
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Samsung Mobile · 2026-07-10 · 18 CVEs total
| CVE-2026-21042 | 8.7 HIGH | SAMSUNG Mobile devices 缓冲区错误漏洞 |
| CVE-2026-21049 | SAMSUNG Mobile devices 缓冲区错误漏洞 | |
| CVE-2026-21039 | SAMSUNG Mobile devices 权限许可和访问控制问题漏洞 | |
| CVE-2026-21040 | SAMSUNG Mobile devices 权限许可和访问控制问题漏洞 | |
| CVE-2026-21041 | SAMSUNG Mobile devices 权限许可和访问控制问题漏洞 | |
| CVE-2026-21043 | SAMSUNG Mobile devices 路径遍历漏洞 | |
| CVE-2026-21044 | SAMSUNG Mobile devices 权限许可和访问控制问题漏洞 | |
| CVE-2026-21045 | SAMSUNG Mobile devices 缓冲区错误漏洞 | |
| CVE-2026-21048 | SAMSUNG Mobile devices 缓冲区错误漏洞 | |
| CVE-2026-21057 | Samsung Mobile Samsung Pass 输入验证错误漏洞 | |
| CVE-2026-21050 | SAMSUNG Mobile devices 权限许可和访问控制问题漏洞 | |
| CVE-2026-21051 | SAMSUNG Mobile devices 权限许可和访问控制问题漏洞 | |
| CVE-2026-21052 | SAMSUNG Mobile devices 路径遍历漏洞 | |
| CVE-2026-21053 | Samsung Mobile Samsung Email 输入验证错误漏洞 | |
| CVE-2026-21054 | Samsung Mobile InputSharing 权限许可和访问控制问题漏洞 | |
| CVE-2026-21055 | Samsung Mobile Bixby 权限许可和访问控制问题漏洞 | |
| CVE-2026-21056 | Samsung Mobile Samsung Health 授权问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-21046
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