CVE-2026-96316: CWE-862: Missing Authorization in Microsoft Windows 10 Version 1607
Description
CVE-2026-96316 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 and related builds involving improper access control in the Routing and Remote Access Service (RRAS). This flaw allows an authorized attacker with local access to perform tampering actions. The vulnerability does not impact confidentiality or availability but can affect integrity. Microsoft has released official fixes addressing this issue.
CVSS v3.1
Score 5.5medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows 11 Version 26H2
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-862 (Missing Authorization), exists in the Windows Routing and Remote Access Service (RRAS) component. It allows an attacker with local privileges to bypass proper authorization checks and perform unauthorized tampering. The CVSS 3.1 base score is 5.5 (medium), reflecting local attack vector, low complexity, required privileges, no user interaction, and impact limited to integrity. Multiple Windows 10 versions and related builds are affected, with patches available from Microsoft as official fixes.
Potential Impact
An authorized local attacker can exploit this vulnerability to tamper with system components or configurations via RRAS without proper authorization. The impact is limited to integrity compromise; confidentiality and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released official patches for this vulnerability. Users and administrators should apply the available updates as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96316 to remediate the issue. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-22T22:31:49.523Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96316","vendor":"Microsoft"}]
Threat ID: 6ace85792cdf04f656a0048e
Added to database: 10/13/2026, 19:24:41 UTC
Last enriched: 10/14/2026, 00:19:44 UTC
Last updated: 10/14/2026, 00:19:44 UTC
Views: 2
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