What is CVE-2022-39854?

CVE-2022-39854 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 6.4/10. Published 2022-10-07.

How severe is CVE-2022-39854?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Google Android

CVE-2022-39854

Improper protection in IOMMU prior to SMR Oct-2022 Release 1 allows unauthorized access to secure memory.

Published 2022-10-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.4th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Google Android — versions 10.0, 11.0, 12.0
Samsung Exynos
Samsung Mobile Devices — versions Q(10), R(11), S(12)

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2022-39854?: CVE-2022-39854 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 6.4/10. Published 2022-10-07.
How severe is CVE-2022-39854?: Medium severity. CVSS v3 base score is 6.4 out of 10.