CVE-2026-24294: CWE-287: Improper Authentication in Microsoft Windows 10 Version 1607
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-24294) affects the SMB Server in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It is classified as CWE-287 (Improper Authentication) and enables an attacker with local authorized access to elevate their privileges. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security advisory.
Potential Impact
An authorized local attacker can exploit this improper authentication vulnerability to gain elevated privileges on the affected Windows 10 system. This could lead to full system compromise, including complete control over confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24294 to remediate this issue.
CVE-2026-24294: CWE-287: Improper Authentication in Microsoft Windows 10 Version 1607
Description
Improper authentication in Windows SMB Server 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-2026-24294) affects the SMB Server in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It is classified as CWE-287 (Improper Authentication) and enables an attacker with local authorized access to elevate their privileges. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security advisory.
Potential Impact
An authorized local attacker can exploit this improper authentication vulnerability to gain elevated privileges on the affected Windows 10 system. This could lead to full system compromise, including complete control over confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24294 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-21T21:28:02.968Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24294","vendor":"Microsoft"}]
Threat ID: 69b0562aea502d3aa87d698a
Added to database: 03/10/2026, 17:34:34 UTC
Last enriched: 06/30/2026, 21:03:20 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 175
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