CVE-2026-49170: CWE-1220: Insufficient Granularity of Access Control in Microsoft Windows 10 Version 1809
Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-49170) affects Windows 10 Version 1809 (build 10.0.17763.0) and is caused by insufficient granularity of access control in the Windows StateRepository API. This flaw enables an authorized attacker with local access to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining higher-level access than intended. This can lead to full system compromise including unauthorized access to sensitive data and system resources. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-49170: CWE-1220: Insufficient Granularity of Access Control in Microsoft Windows 10 Version 1809
Description
Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-49170) affects Windows 10 Version 1809 (build 10.0.17763.0) and is caused by insufficient granularity of access control in the Windows StateRepository API. This flaw enables an authorized attacker with local access to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining higher-level access than intended. This can lead to full system compromise including unauthorized access to sensitive data and system resources. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-27T23:44:09.623Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49170","vendor":"Microsoft"}]
Threat ID: 6a566f6a68715ace43e6b3bd
Added to database: 07/14/2026, 17:18:34 UTC
Last enriched: 08/13/2026, 14:20:57 UTC
Last updated: 08/26/2026, 06:04:24 UTC
Views: 68
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