CVE-2026-21046

HIGH

Samsung fabricKeymaster Trustlet TOCTOU Race Condition

Generated titleSource: EIP title enrichment
STIX 2.1 vulnerability

Record summary

CVE-2026-21046 has a selected CVSS score of 8.4 (high).

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactTotal

CISA Coordinator · SSVC 2.0.3 · Evaluated Jul 10, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

Samsung Mobile Devices

Browse Samsung Mobile / Samsung Mobile Devices

Default status: affected

CVE ListSMR Jul-2026 Release in Android 14, 15, 16 to < *unaffected

References

2