CVE-2026-21107

MEDIUM CVSS 4.0: 6.9 EPSS 0.09%
Updated Sep 23, 2026
Samsung
Parameter Value
CVSS 6.9 (MEDIUM)
Affected Versions before 4.4.45.5
Fixed In 4.4.45.5
Type CWE-787 (Out-of-bounds Write)
Vendor Samsung
Public PoC No

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

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Samsung Notes
cpe:2.3:a:samsung:notes:*:*:*:*:*:*:*:*
— 4.4.45.5