CVE-2026-45593: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2026-45593 is a use-after-free vulnerability (CWE-416) found in the Windows SDK of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). This vulnerability enables a local attacker with authorized access to escalate privileges, potentially gaining higher system rights. The vulnerability has been officially fixed by Microsoft, and the vendor advisory provides remediation guidance. The CVSS v3.1 base score is 7.8, indicating a high severity with impact on confidentiality, integrity, and availability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 10 Version 1809 system. Successful exploitation could lead to full system compromise, impacting confidentiality, integrity, and availability of the system.
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-2026-45593 to remediate this vulnerability.
CVE-2026-45593: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-45593 is a use-after-free vulnerability (CWE-416) found in the Windows SDK of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). This vulnerability enables a local attacker with authorized access to escalate privileges, potentially gaining higher system rights. The vulnerability has been officially fixed by Microsoft, and the vendor advisory provides remediation guidance. The CVSS v3.1 base score is 7.8, indicating a high severity with impact on confidentiality, integrity, and availability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 10 Version 1809 system. Successful exploitation could lead to full system compromise, impacting confidentiality, integrity, and availability of the system.
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-2026-45593 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T19:55:45.730Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45593","vendor":"Microsoft"}]
Threat ID: 6a284ce18dd33fbd85664e00
Added to database: 6/9/2026, 5:26:57 PM
Last enriched: 6/9/2026, 7:11:05 PM
Last updated: 6/10/2026, 5:13:12 AM
Views: 2
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