CVE-2026-61926: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-61926) involves a heap-based buffer overflow in the Windows USB Driver component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate privileges. The issue is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix for this vulnerability, and no known exploits are reported in the wild as of the publication date.
Potential Impact
Successful exploitation of this vulnerability could allow a local authorized attacker to gain elevated privileges, potentially leading to full system compromise. The CVSS v3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61926 for detailed patching instructions.
CVE-2026-61926: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-61926) involves a heap-based buffer overflow in the Windows USB Driver component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate privileges. The issue is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix for this vulnerability, and no known exploits are reported in the wild as of the publication date.
Potential Impact
Successful exploitation of this vulnerability could allow a local authorized attacker to gain elevated privileges, potentially leading to full system compromise. The CVSS v3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61926 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-13T04:47:32.463Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61926","vendor":"Microsoft"}]
Threat ID: 6a7b5804bf8831d5391558ba
Added to database: 08/11/2026, 17:12:36 UTC
Last enriched: 08/11/2026, 22:42:22 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 2
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