CVE-2026-45637: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45637) involves a use-after-free condition in the Windows Desktop Window Manager (DWM) Core Library on Windows 10 Version 1809. An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The issue is tracked under CWE-416 (Use After Free). Microsoft has released an official fix addressing this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. The CVSS score of 7.8 indicates high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45637 for detailed patch information and deployment guidance.
CVE-2026-45637: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
Use after free in Windows DWM Core Library 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-2026-45637) involves a use-after-free condition in the Windows Desktop Window Manager (DWM) Core Library on Windows 10 Version 1809. An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The issue is tracked under CWE-416 (Use After Free). Microsoft has released an official fix addressing this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. The CVSS score of 7.8 indicates high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45637 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T20:33:35.155Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45637","vendor":"Microsoft"}]
Threat ID: 6a284ce78dd33fbd85664ec6
Added to database: 6/9/2026, 5:27:03 PM
Last enriched: 6/9/2026, 6:41:51 PM
Last updated: 6/10/2026, 5:11:25 AM
Views: 3
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