Out-of-bounds write in Samsung Notes prior to version 4.4.45.5 allows local attackers to write out-of-bounds memory. (CVE-2026-21107)
An out-of-bounds write vulnerability exists in Samsung Notes versions prior to 4.4.45.5. This flaw allows local attackers with limited privileges to write outside the intended memory bounds, potentially leading to memory corruption. The vulnerability does not require user interaction and has a medium severity rating.
AI Analysis
Technical Summary
CVE-2026-21107 is an out-of-bounds write vulnerability affecting Samsung Notes before version 4.4.45.5. It permits local attackers with limited privileges to write out-of-bounds memory, which could lead to memory corruption. The vulnerability does not require user interaction and has a moderate impact based on the CVSS 4.0 vector provided. No known exploits are reported in the wild. The affected software is not a cloud service, and no patch links or vendor advisories are currently provided.
Potential Impact
Local attackers with limited privileges can exploit this vulnerability to write outside the bounds of allocated memory in Samsung Notes, potentially causing memory corruption. This could lead to application instability or other unintended behavior. There is no evidence of remote exploitation or requirement for user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or workaround is currently provided, users should monitor for updates from Samsung and apply the official fix once available.
Out-of-bounds write in Samsung Notes prior to version 4.4.45.5 allows local attackers to write out-of-bounds memory. (CVE-2026-21107)
Description
An out-of-bounds write vulnerability exists in Samsung Notes versions prior to 4.4.45.5. This flaw allows local attackers with limited privileges to write outside the intended memory bounds, potentially leading to memory corruption. The vulnerability does not require user interaction and has a medium severity rating.
CVSS v4.0
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-21107 is an out-of-bounds write vulnerability affecting Samsung Notes before version 4.4.45.5. It permits local attackers with limited privileges to write out-of-bounds memory, which could lead to memory corruption. The vulnerability does not require user interaction and has a moderate impact based on the CVSS 4.0 vector provided. No known exploits are reported in the wild. The affected software is not a cloud service, and no patch links or vendor advisories are currently provided.
Potential Impact
Local attackers with limited privileges can exploit this vulnerability to write outside the bounds of allocated memory in Samsung Notes, potentially causing memory corruption. This could lead to application instability or other unintended behavior. There is no evidence of remote exploitation or requirement for user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or workaround is currently provided, users should monitor for updates from Samsung and apply the official fix once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p3gv-g2h9-4gh2
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-21107"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 4.0
Threat ID: 6aa15f7aacd9273b49618335
Added to database: 09/09/2026, 13:30:34 UTC
Last enriched: 09/09/2026, 13:56:23 UTC
Last updated: 09/09/2026, 23:51:59 UTC
Views: 2
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