CVE-2026-48583: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-48583) involves a use-after-free condition in the Windows Kernel on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local authorized access and can lead to privilege escalation. The vulnerability is classified under CWE-416 (Use After Free). Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows a local attacker with authorized access to elevate their privileges, potentially gaining higher system rights. The CVSS score of 7.8 indicates 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 in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48583 to remediate this vulnerability.
CVE-2026-48583: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-48583) involves a use-after-free condition in the Windows Kernel on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local authorized access and can lead to privilege escalation. The vulnerability is classified under CWE-416 (Use After Free). Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows a local attacker with authorized access to elevate their privileges, potentially gaining higher system rights. The CVSS score of 7.8 indicates 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 in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48583 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-21T20:00:35.246Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48583","vendor":"Microsoft"}]
Threat ID: 6a284d178dd33fbd85665a0c
Added to database: 6/9/2026, 5:27:51 PM
Last enriched: 6/9/2026, 5:40:50 PM
Last updated: 6/10/2026, 4:58:15 AM
Views: 7
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