CVE-2026-50359: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
CVE-2026-50359 is a use-after-free vulnerability in Microsoft XML Core Services affecting Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability allows an authorized local attacker to elevate privileges. A patch is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in Microsoft XML Core Services on Windows 10 Version 1607. An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-416 and has a CVSS v3.1 base score of 7.0, indicating high severity. Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher-level access than intended. This can lead to full system compromise depending on the elevated privileges obtained. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50359 for update details.
CVE-2026-50359: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-50359 is a use-after-free vulnerability in Microsoft XML Core Services affecting Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability allows an authorized local attacker to elevate privileges. A patch is available from Microsoft to address this issue.
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 Microsoft XML Core Services on Windows 10 Version 1607. An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-416 and has a CVSS v3.1 base score of 7.0, indicating high severity. Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher-level access than intended. This can lead to full system compromise depending on the elevated privileges obtained. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50359 for update details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:48:26.815Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50359","vendor":"Microsoft"}]
Threat ID: 6a56769468715ace43f08d5a
Added to database: 07/14/2026, 17:49:08 UTC
Last enriched: 07/15/2026, 00:19:09 UTC
Last updated: 07/15/2026, 00:19:09 UTC
Views: 2
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