CVE-2026-21046

HIGH

CVSS v4.0: 8.4 · EPSS: 0.0010 (0.9 percentile)

No user interaction

Source data as of:

At a glance

Severity
HIGH
CVSS
8.4 v4.0 · NVD
EPSS
0.0010 (0.9 percentile) · FIRST.org
CISA KEV
No
Attack conditions (CVSS vector)
No user interaction · Source: NVD Vector
Published
2026-07-10 · Modified: 2026-07-10
References
Jump to references (1)

CVSS / EPSS / KEV

CVSS v4.0 8.4 / 10 HIGH Source: NVD
EPSS 0.0010 0.9 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

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.

Record details

CVE ID
CVE-2026-21046
CVSS (v4.0)
8.4 (HIGH)
Vector
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:X/V:X/RE:X/U:X
EPSS
0.0010 (0.9 percentile) — 2026-07-11
CISA KEV
No
Affected configurations (CPE)
0
Published
2026-07-10
Modified
2026-07-10
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Published the same year

CVE-2026-46595 CRITICAL CVSS 10.0 CVE-2026-54769 CRITICAL CVSS 10.0 CVE-2026-54782 CRITICAL CVSS 10.0 CVE-2026-59726 CRITICAL CVSS 10.0
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