CVE-2026-50444: CWE-306: Missing Authentication for Critical Function in Microsoft Windows 10 Version 1607
CVE-2026-50444 is a high-severity vulnerability in Windows 10 Version 1607 where a missing authentication check in the Windows Server Update Service allows an authorized attacker to elevate privileges over a network. This vulnerability has a CVSS score of 8.8 and affects version 10.0.14393.0. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50444) involves a missing authentication requirement for a critical function within the Windows Server Update Service on Windows 10 Version 1607 (build 10.0.14393.0). Due to this flaw, an attacker with some level of authorization can exploit the service over a network to elevate their privileges, potentially gaining higher system rights. The vulnerability is categorized under CWE-306 (Missing Authentication for Critical Function). Microsoft has published an official fix to address this issue.
Potential Impact
An attacker who is authorized on the network can exploit this vulnerability to elevate their privileges, potentially gaining full control over the affected system. The impact includes complete confidentiality, integrity, and availability compromise as indicated by the CVSS vector (C:H/I:H/A:H). 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 in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50444 to remediate this vulnerability.
CVE-2026-50444: CWE-306: Missing Authentication for Critical Function in Microsoft Windows 10 Version 1607
Description
CVE-2026-50444 is a high-severity vulnerability in Windows 10 Version 1607 where a missing authentication check in the Windows Server Update Service allows an authorized attacker to elevate privileges over a network. This vulnerability has a CVSS score of 8.8 and affects version 10.0.14393.0. An official fix is available from Microsoft.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50444) involves a missing authentication requirement for a critical function within the Windows Server Update Service on Windows 10 Version 1607 (build 10.0.14393.0). Due to this flaw, an attacker with some level of authorization can exploit the service over a network to elevate their privileges, potentially gaining higher system rights. The vulnerability is categorized under CWE-306 (Missing Authentication for Critical Function). Microsoft has published an official fix to address this issue.
Potential Impact
An attacker who is authorized on the network can exploit this vulnerability to elevate their privileges, potentially gaining full control over the affected system. The impact includes complete confidentiality, integrity, and availability compromise as indicated by the CVSS vector (C:H/I:H/A:H). 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 in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50444 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.376Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50444","vendor":"Microsoft"}]
Threat ID: 6a5676a068715ace43f0948d
Added to database: 07/14/2026, 17:49:20 UTC
Last enriched: 07/14/2026, 23:33:38 UTC
Last updated: 07/14/2026, 23:33:38 UTC
Views: 3
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