CVE-2026-54989: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
CVE-2026-54989 is a use-after-free vulnerability in the Quality Windows Audio/Video Experience (QWAVE) service on Microsoft Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity rating and a CVSS score of 7. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the QWAVE service on Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw could allow an authorized local attacker to elevate their privileges on the affected system. The vulnerability is tracked as CWE-416. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability could result in an authorized local attacker gaining elevated privileges, potentially leading to complete system compromise. The CVSS score of 7 indicates a 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 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54989 for detailed patch information and deployment guidance.
CVE-2026-54989: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-54989 is a use-after-free vulnerability in the Quality Windows Audio/Video Experience (QWAVE) service on Microsoft Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity rating and a CVSS score of 7. An official fix is available from Microsoft.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the QWAVE service on Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw could allow an authorized local attacker to elevate their privileges on the affected system. The vulnerability is tracked as CWE-416. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability could result in an authorized local attacker gaining elevated privileges, potentially leading to complete system compromise. The CVSS score of 7 indicates a 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 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54989 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:10:05.868Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54989","vendor":"Microsoft"}]
Threat ID: 6a566f7d68715ace43e6bba6
Added to database: 07/14/2026, 17:18:53 UTC
Last enriched: 07/15/2026, 01:02:40 UTC
Last updated: 07/15/2026, 03:41:04 UTC
Views: 5
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