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CVE-2026-21107: CWE-787: Out-of-bounds Write in Samsung Mobile Samsung Notes

0
Medium
VulnerabilityCVE-2026-21107cvecve-2026-21107cwe-787
Published: 09/09/2026 (09/09/2026, 04:47:57 UTC)
Source: CVE Database V5
Vendor/Project: Samsung Mobile
Product: Samsung Notes

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 v4.0

Score 6.9medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/09/2026, 11:08:00 UTC

Technical Analysis

This vulnerability (CWE-787) in Samsung Notes involves an out-of-bounds write condition that can be triggered by local attackers. It affects versions prior to 4.4.45.5, enabling attackers with limited privileges to write to memory locations outside the intended buffer. The CVSS 4.0 vector indicates low attack complexity and no user interaction required, with high impact on confidentiality and low impact on integrity and availability. No known exploits are reported in the wild, and no official remediation level or patch information is available at this time.

Potential Impact

The vulnerability allows local attackers to perform out-of-bounds memory writes, which can potentially lead to memory corruption, application crashes, or escalation of privileges. The impact on confidentiality is high, suggesting possible unauthorized data access or leakage. Integrity and availability impacts are low. No active exploitation has been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to Samsung Notes usage.

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Technical Details

Data Version
5.2
Assigner Short Name
SamsungMobile
Date Reserved
2025-12-11T01:33:35.830Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6aa13d67acd9273b493465b8

Added to database: 09/09/2026, 11:05:11 UTC

Last enriched: 09/09/2026, 11:08:00 UTC

Last updated: 09/09/2026, 22:52:09 UTC

Views: 11

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