High severity · published Jul 10, 2026
CVE-2026-21046
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
8.4
CVSS
0.1%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Samsung Mobile Devices · Samsung Mobile
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21046
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21046
security.samsungmobile.com
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=07
More from Samsung Mobile Devices
9.8
CVE-2025-21043
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
9.8
CVE-2025-21042
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
7.8
CVE-2022-22265
Samsung Mobile Devices Use-After-Free Vulnerability
7.8
CVE-2021-25487
Samsung Mobile Devices Out-of-Bounds Read Vulnerability
7.1
CVE-2021-25337
Samsung Mobile Devices Improper Access Control Vulnerability