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
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: 08/12/2026, 00:12:10 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.