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Vulnerability record · CVE-2026-21046 · published 10 July 2026

CVE-2026-21046: Time-of-check time-of-use race condition in fabricKeymaster trustlet prior to SMR Jul-2026 Release 1 allows lo…

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 4.0 High EPSS 0.13% · top 97.9% Deferred
8.4CVSS 4.0 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
11 Jul 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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Source: NIST National Vulnerability Database (record CVE-2026-21046), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.