CVE-2026-61366: CWE-415: Double Free in Microsoft Windows 10 Version 1607
Double free in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-61366 and classified under CWE-415 (Double Free), affects Windows 10 Version 1607 (build 10.0.14393.0). The issue occurs in the Windows Network Connection Broker, where improper handling of memory leads to a double free condition. Exploitation requires local access with low privileges but can result in privilege escalation to higher levels. The CVSS 3.1 base score is 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise depending on the privileges obtained.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the official patch from Microsoft as provided in their security update guide. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-61366: CWE-415: Double Free in Microsoft Windows 10 Version 1607
Description
Double free in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-61366 and classified under CWE-415 (Double Free), affects Windows 10 Version 1607 (build 10.0.14393.0). The issue occurs in the Windows Network Connection Broker, where improper handling of memory leads to a double free condition. Exploitation requires local access with low privileges but can result in privilege escalation to higher levels. The CVSS 3.1 base score is 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise depending on the privileges obtained.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the official patch from Microsoft as provided in their security update guide. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-08T17:30:25.176Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61366","vendor":"Microsoft"}]
Threat ID: 6a7b5802bf8831d539155847
Added to database: 08/11/2026, 17:12:34 UTC
Last enriched: 08/11/2026, 22:43:13 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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