CVE-2026-21107
Received Received - Intake

Out-of-Bounds Write in Samsung Notes

Vulnerability report for CVE-2026-21107, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Samsung Mobile

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-09
Last Modified
2026-09-09
Generated
2026-09-09
AI Q&A
2026-09-09
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung samsung_notes to 4.4.45.5 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an out-of-bounds write flaw in Samsung Notes versions prior to 4.4.45.5. It allows local attackers to write data beyond the intended memory boundaries, potentially corrupting adjacent memory and causing crashes or unexpected behavior.

Impact Analysis

If exploited, this vulnerability could allow an attacker with local access to manipulate memory, leading to application crashes, data corruption, or unauthorized code execution. This may compromise sensitive notes or data stored in the app.

Mitigation Strategies

Update Samsung Notes to version 4.4.45.5 or later to address the out-of-bounds write vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21107. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart