CVE-2026-59135: CWE-1390: Weak Authentication in Microsoft Windows 10 Version 1607
Weak authentication in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-59135) affects the Windows Search Component in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It is classified under CWE-1390 (Weak Authentication) and allows an attacker with local authorized access to disclose information due to insufficient authentication controls. The CVSS 3.1 base score is 5.5, reflecting a medium severity with high confidentiality impact but no impact on integrity or availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit weak authentication in the Windows Search Component to disclose sensitive information. The confidentiality impact is high, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59135 to remediate this vulnerability.
CVE-2026-59135: CWE-1390: Weak Authentication in Microsoft Windows 10 Version 1607
Description
Weak authentication in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-59135) affects the Windows Search Component in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It is classified under CWE-1390 (Weak Authentication) and allows an attacker with local authorized access to disclose information due to insufficient authentication controls. The CVSS 3.1 base score is 5.5, reflecting a medium severity with high confidentiality impact but no impact on integrity or availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit weak authentication in the Windows Search Component to disclose sensitive information. The confidentiality impact is high, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59135 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-02T16:05:24.071Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59135","vendor":"Microsoft"}]
Threat ID: 6a7b57febf8831d539155797
Added to database: 08/11/2026, 17:12:30 UTC
Last enriched: 08/11/2026, 22:58:10 UTC
Last updated: 09/25/2026, 01:56:01 UTC
Views: 38
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