CVE-2026-44810: CWE-287: Improper Authentication in Microsoft Windows 11 version 23H2
Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-44810) in Windows 11 version 23H2 is caused by improper authentication in the Windows Cryptographic Services component. It enables an unauthorized local attacker to elevate privileges, potentially gaining higher system rights. The CVSS v3.1 base score is 8.4, indicating high severity, with attack vector local, low attack complexity, no privileges required, and no user interaction needed. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows a local attacker to elevate privileges on the affected Windows 11 system, potentially leading to full system compromise with confidentiality, integrity, and availability impacts rated high. This could enable unauthorized access to sensitive data and system control.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft's advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44810 to remediate this issue.
CVE-2026-44810: CWE-287: Improper Authentication in Microsoft Windows 11 version 23H2
Description
Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.4high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-44810) in Windows 11 version 23H2 is caused by improper authentication in the Windows Cryptographic Services component. It enables an unauthorized local attacker to elevate privileges, potentially gaining higher system rights. The CVSS v3.1 base score is 8.4, indicating high severity, with attack vector local, low attack complexity, no privileges required, and no user interaction needed. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows a local attacker to elevate privileges on the affected Windows 11 system, potentially leading to full system compromise with confidentiality, integrity, and availability impacts rated high. This could enable unauthorized access to sensitive data and system control.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft's advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44810 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-07T20:07:18.271Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44810","vendor":"Microsoft"}]
Threat ID: 6a284cce8dd33fbd85664a12
Added to database: 6/9/2026, 5:26:38 PM
Last enriched: 6/9/2026, 10:41:58 PM
Last updated: 6/10/2026, 6:24:38 AM
Views: 4
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