CVE-2026-21107: CWE-787: Out-of-bounds Write in Samsung Mobile Samsung Notes
Out-of-bounds write in Samsung Notes prior to version 4.4.45.5 allows local attackers to write out-of-bounds memory.
AI Analysis
Technical Summary
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.
CVE-2026-21107: CWE-787: Out-of-bounds Write in Samsung Mobile 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
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.
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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