CVE-2026-50425: CWE-416: Use After Free in Microsoft Windows 10 Version 21H2
CVE-2026-50425 is a use-after-free vulnerability in the Windows Internal System User Profile component of Microsoft Windows 10 Version 21H2. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating and a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
CVE-2026-50425 is a use-after-free vulnerability (CWE-416) affecting Microsoft Windows 10 Version 21H2 (build 10.0.19044.0). It occurs within the Windows Internal System User Profile component and enables an authorized local attacker to elevate privileges. The vulnerability has been assigned a CVSS v3.1 base score of 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This can compromise system confidentiality, integrity, and availability. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 21H2 (build 10.0.19044.0) as soon as possible to remediate this issue. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50425 for detailed patch information and installation instructions.
CVE-2026-50425: CWE-416: Use After Free in Microsoft Windows 10 Version 21H2
Description
CVE-2026-50425 is a use-after-free vulnerability in the Windows Internal System User Profile component of Microsoft Windows 10 Version 21H2. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating and a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50425 is a use-after-free vulnerability (CWE-416) affecting Microsoft Windows 10 Version 21H2 (build 10.0.19044.0). It occurs within the Windows Internal System User Profile component and enables an authorized local attacker to elevate privileges. The vulnerability has been assigned a CVSS v3.1 base score of 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This can compromise system confidentiality, integrity, and availability. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 21H2 (build 10.0.19044.0) as soon as possible to remediate this issue. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50425 for detailed patch information and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.375Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50425","vendor":"Microsoft"}]
Threat ID: 6a56769d68715ace43f0941b
Added to database: 07/14/2026, 17:49:17 UTC
Last enriched: 07/14/2026, 23:47:41 UTC
Last updated: 07/14/2026, 23:47:41 UTC
Views: 2
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