CVE-2026-21107

Out-of-bounds write in Samsung Notes prior to version 4.4.45.5 allows local attackers to write out-of-bounds memory.

  • Published Sep 9, 2026
  • CVSS 6.9 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-21107 at the National Vulnerability Database