CVE-2026-21038: CWE-20: Improper Input Validation in Samsung Mobile Samsung Android USB Driver for Windows
CVE-2026-21038 is a medium severity vulnerability in the Samsung Android USB Driver for Windows. It involves improper input validation that allows a local attacker to access out-of-bounds memory. This affects versions prior to 1.9.5.0 of the driver. No official patch or remediation level has been confirmed yet.
AI Analysis
Technical Summary
The Samsung Android USB Driver for Windows versions before 1.9.5.0 contain an improper input validation vulnerability (CWE-20) that can be exploited by a local attacker to access out-of-bounds memory. This vulnerability could potentially lead to unauthorized memory access or corruption. The CVSS 4.0 base score is 5.9, indicating a medium severity issue. There is no vendor advisory or patch information currently available to confirm remediation status.
Potential Impact
A local attacker can exploit this vulnerability to access memory outside the intended bounds, which may lead to information disclosure or memory corruption. The vulnerability requires local access and partial attack complexity, with no user interaction needed. The impact on availability is high, but confidentiality and integrity impacts are low to limited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to systems with the vulnerable driver and monitor for suspicious local activity related to USB driver usage.
CVE-2026-21038: CWE-20: Improper Input Validation in Samsung Mobile Samsung Android USB Driver for Windows
Description
CVE-2026-21038 is a medium severity vulnerability in the Samsung Android USB Driver for Windows. It involves improper input validation that allows a local attacker to access out-of-bounds memory. This affects versions prior to 1.9.5.0 of the driver. No official patch or remediation level has been confirmed yet.
CVSS v4.0
Score 5.9medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Samsung Android USB Driver for Windows versions before 1.9.5.0 contain an improper input validation vulnerability (CWE-20) that can be exploited by a local attacker to access out-of-bounds memory. This vulnerability could potentially lead to unauthorized memory access or corruption. The CVSS 4.0 base score is 5.9, indicating a medium severity issue. There is no vendor advisory or patch information currently available to confirm remediation status.
Potential Impact
A local attacker can exploit this vulnerability to access memory outside the intended bounds, which may lead to information disclosure or memory corruption. The vulnerability requires local access and partial attack complexity, with no user interaction needed. The impact on availability is high, but confidentiality and integrity impacts are low to limited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to systems with the vulnerable driver and monitor for suspicious local activity related to USB driver usage.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.806Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a22a609e29bf47b505aa29e
Added to database: 06/05/2026, 10:33:45 UTC
Last enriched: 06/30/2026, 23:50:29 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 69
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.