CVE-2026-49170: CWE-1220: Insufficient Granularity of Access Control in Microsoft Windows 10 Version 1809
CVE-2026-49170 is a high-severity vulnerability in Microsoft Windows 10 Version 1809. It involves insufficient granularity of access control in the Windows StateRepository API, which allows an authorized local attacker to elevate privileges. A patch is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-49170, affects Windows 10 Version 1809 (build 10.0.17763.0). The issue stems from insufficient granularity in access control within the Windows StateRepository API, enabling an authorized local user to escalate their privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49170 to remediate this vulnerability.
CVE-2026-49170: CWE-1220: Insufficient Granularity of Access Control in Microsoft Windows 10 Version 1809
Description
CVE-2026-49170 is a high-severity vulnerability in Microsoft Windows 10 Version 1809. It involves insufficient granularity of access control in the Windows StateRepository API, which allows an authorized local attacker to elevate privileges. A patch is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-49170, affects Windows 10 Version 1809 (build 10.0.17763.0). The issue stems from insufficient granularity in access control within the Windows StateRepository API, enabling an authorized local user to escalate their privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49170 to remediate this vulnerability.
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: 07/15/2026, 01:49:22 UTC
Last updated: 07/15/2026, 01:49:22 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.