CVE-2026-21101 Code injection in Samsung Mobile Devices

What is CVE-2026-21101?

CVE-2026-21101 is a high-severity code injection vulnerability in Samsung Android, published on 9 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper input validation in DualDAR driver prior to SMR Sep-2026 Release 1 allows local privileged attackers to potentially execute arbitrary code with root privilege.

Weakness: CWE-20

Which versions are affected by CVE-2026-21101?

It affects 1 product.

Products include Samsung Android.

How do I fix CVE-2026-21101?

No fix has been published for CVE-2026-21101 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-21101 being exploited?

There is no known exploitation of CVE-2026-21101 in the wild and no public exploit code.

Other vulnerabilities in Samsung Android

• CVE-2025-21042 Samsung Mobile Devices Out-of-Bounds Write Exploited High 8.8
• CVE-2025-21043 Samsung Mobile Devices Out-of-Bounds Write Exploited High 8.8
• CVE-2021-25487 Samsung Mobile Devices Out-of-Bounds Read Exploited High 7.3
• CVE-2021-25394 Samsung Mobile Devices Race Condition Exploited Medium 6.4
• CVE-2021-25395 Samsung Mobile Devices Race Condition Exploited Medium 6.4

All Samsung Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jv9f-wr82-5qf2.