CVE-2026-21107

Name of the Vulnerable Software and Affected Versions Samsung Notes versions prior to 4.4.45.5

Description An out-of-bounds write exists that allows local attackers to write to memory outside the allocated buffer. An out-of-bounds write is a memory corruption error that occurs when a program writes data past the end of a defined buffer, potentially leading to crashes or unauthorized code execution.

Recommendations Update Samsung Notes to version 4.4.45.5 or later.