What is CVE-2026-21038?

CVE-2026-21038 is a medium-severity vulnerability in Samsung Android_usb_driver, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-06-05.

How severe is CVE-2026-21038?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Out-of-bounds Read in Samsung Android_usb_driver

CVE-2026-21038

Improper input validation in Samsung Android USB Driver for Windows prior to version 1.9.5.0 allows local attacker to access out-of-bounds memory.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Samsung Android_usb_driver
Samsung Mobile Android Usb Driver For Windows — versions 1.9.5.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21038?: CVE-2026-21038 is a medium-severity vulnerability in Samsung Android_usb_driver, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-06-05.
How severe is CVE-2026-21038?: Medium severity. CVSS v3 base score is 5.5 out of 10.