Input validation error in Samsung Email - CVE-2026-21053
Published: July 7, 2026
Vulnerability identifier: #VU136955
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-21053
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A local attacker can create arbitrary files within the application sandbox
Affected software
Samsung Email
How to mitigate CVE-2026-21053
Install updates from vendor's website.
Samsung Email - update to 6.2.13.1