CVE-2026-49804: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
CVE-2026-49804 is a heap-based buffer overflow vulnerability in the Windows USB Video Driver on Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized attacker with physical access to the device to elevate privileges. The vulnerability has a CVSS 3.1 base score of 6.6, indicating a medium severity level. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Windows USB Video Driver component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires physical access and user interaction, enabling an attacker to elevate privileges on the affected system. The vulnerability is tracked as CWE-122. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with physical access to the device to elevate their privileges, potentially gaining higher-level access than intended. The vulnerability affects confidentiality, integrity, and availability, all rated high in impact. However, exploitation requires physical presence and user interaction, which limits remote exploitation possibilities.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49804 to remediate this vulnerability.
CVE-2026-49804: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-49804 is a heap-based buffer overflow vulnerability in the Windows USB Video Driver on Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized attacker with physical access to the device to elevate privileges. The vulnerability has a CVSS 3.1 base score of 6.6, indicating a medium severity level. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 6.6medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in the Windows USB Video Driver component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires physical access and user interaction, enabling an attacker to elevate privileges on the affected system. The vulnerability is tracked as CWE-122. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with physical access to the device to elevate their privileges, potentially gaining higher-level access than intended. The vulnerability affects confidentiality, integrity, and availability, all rated high in impact. However, exploitation requires physical presence and user interaction, which limits remote exploitation possibilities.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49804 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-01T17:02:37.208Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49804","vendor":"Microsoft"}]
Threat ID: 6a566f6f68715ace43e6b5b7
Added to database: 07/14/2026, 17:18:39 UTC
Last enriched: 07/15/2026, 01:34:10 UTC
Last updated: 07/15/2026, 01:34:10 UTC
Views: 2
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