What is CVE-2026-21034?

CVE-2026-21034 is a low-severity vulnerability in Google Android, classified under CWE-926: IMPROPER EXPORT OF ANDROID APPLICATION COMPONENTS. CVSS score: 3.3/10. Published 2026-06-05.

How severe is CVE-2026-21034?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Google Android

CVE-2026-21034

Improper export of android application components in Samsung Auto prior to version 3.1.2.61 in Android 15 and 3.2.0.38 in Android 16 allows local attacker to change audio configuration.

EPSS: 0.001 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Google Android — versions 15.0, 16.0
Samsung Auto
Samsung Mobile Auto — versions 3.1.2.61 in Android 15 and 3.2.0.38 in Android 16

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21034?: CVE-2026-21034 is a low-severity vulnerability in Google Android, classified under CWE-926: IMPROPER EXPORT OF ANDROID APPLICATION COMPONENTS. CVSS score: 3.3/10. Published 2026-06-05.
How severe is CVE-2026-21034?: Low severity. CVSS v3 base score is 3.3 out of 10.