CVE-2026-65773: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CWE-284) in Windows 10 Version 1809 (build 10.0.17763.0) arises from improper access control in the Windows Kernel, enabling a local attacker with some authorization to escalate privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with impact 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, potentially gaining higher system rights than intended. This can lead to full system compromise affecting confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Microsoft has released an official patch to fix this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible to mitigate this risk.
CVE-2026-65773: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
Description
Improper access control in Windows Kernel 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 (CWE-284) in Windows 10 Version 1809 (build 10.0.17763.0) arises from improper access control in the Windows Kernel, enabling a local attacker with some authorization to escalate privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with impact 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, potentially gaining higher system rights than intended. This can lead to full system compromise affecting confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Microsoft has released an official patch to fix this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible to mitigate this risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-22T21:30:09.118Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65773","vendor":"Microsoft"}]
Threat ID: 6a7b582ebf8831d5391563d4
Added to database: 08/11/2026, 17:13:18 UTC
Last enriched: 08/11/2026, 19:58:09 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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