CVE-2026-69267: CWE-1220: Insufficient Granularity of Access Control in Microsoft Windows 10 Version 1809
Description
CVE-2026-69267 is a medium severity vulnerability in Microsoft Windows 10 Version 1809 related to insufficient granularity of access control in the Windows Connected User Experiences and Telemetry component. This flaw allows an authorized local attacker to disclose information. The vulnerability affects multiple Windows 10 builds prior to specific patch versions. An official fix is available from Microsoft.
CVSS v3.1
Score 6.5medium
Affected software
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 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 (CVE-2026-69267) involves insufficient granularity of access control within the Windows Connected User Experiences and Telemetry feature in Windows 10 Version 1809 and later builds. It permits an authorized local attacker with limited privileges to disclose sensitive information on the affected system. The CVSS v3.1 base score is 6.5, reflecting a medium severity with high confidentiality impact but no integrity or availability impact. The vulnerability has been officially fixed by Microsoft in updates for the affected Windows 10 versions.
Potential Impact
An authorized local attacker can disclose sensitive information due to insufficient access control granularity in the telemetry component. This could lead to confidentiality breaches on affected systems. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69267. No additional mitigation actions are required beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:44:03.596Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69267","vendor":"Microsoft"}]
Threat ID: 6aa044dbacd9273b49fa7d00
Added to database: 09/08/2026, 17:24:43 UTC
Last enriched: 10/16/2026, 20:58:29 UTC
Last updated: 10/24/2026, 03:05:10 UTC
Views: 67
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