CVE-2026-21007

Improper check for exceptional conditions in Device Care prior to SMR Apr-2026 Release 1 allows physical attackers to bypass Knox Guard.

CVSS v4.0

4.4 MEDIUMCVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/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

CVSS v3.1

6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.16% chance of exploitation in the next 30 days, 6th percentile

Published

2026-04-13

Proof-of-concept exploits (1)

• George0Papasotiriou/CVE-2026-21007-GPU-Driver-ioctl-Race-Condition-Kernel-Memory-Mapping-0★ · 2026-08-04

References

• CVE Record
• NVD entry

Related

• CVE-2026-21006
• CVE-2026-21008
• CVE-2026-21005
• CVE-2026-21009
• CVE-2026-21004
• CVE-2026-21010