CVE-2026-50444 Details
Description
Missing authentication for critical function in Windows Server Update Service allows an authorized attacker to elevate privileges over a network.
A vulnerability in Windows Server Update Service (WSUS) allows an authorized attacker to elevate privileges over the network due to missing authentication for a critical function. This issue affects multiple Windows Server and Windows 10 versions.
Users can download the security update for this vulnerability via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked within the vulnerability reference.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50444 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-306 | Missing Authentication for Critical Function | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1607 | < 10.0.14393.9339 |
CPE
Remediation
| |
| microsoft windows 10 1809 | < 10.0.17763.9020 |
CPE
Remediation
| |
| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.9339 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.9020 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5386 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.33158 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 21, 2026 | Initial Analysis | [email protected] |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 14, 2026 | New CVE Received | [email protected] |