Input validation error in Samsung Internet - CVE-2026-21132
Published: October 6, 2026
Vulnerability identifier: #VU153296
CSH Severity: High
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-21132
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick a victim to visit a malicious webpage or interact with specially crafted content to inject arbitrary script on the system.
Affected software
Samsung Internet
How to mitigate CVE-2026-21132
Install updates from vendor's website.
Samsung Internet - update to 30.0.5.24