PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-61366 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:12.827Z and has not been modified since then. The NVD entry is currently Analyzed. This vulnerability, CVE-2026-61366, is caused by a double free in the Windows Network Connection Broker, allowing an authorized attacker to elevate privileges locally. The CVSS score for this vulnerability is 7, indicating a high severity. Affected products include various versions of Windows 10, Windows 11, and Windows Server. Microsoft has provided a patch for this vulnerability. It is essential to prioritize patching this vulnerability to prevent potential security breaches. System administrators and security teams should be aware of this vulnerability and take immediate action to patch affected systems.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-08-16
Advisory published
2026-08-11
Advisory updated
2026-08-16

Who should care

System administrators and security teams responsible for managing Windows-based systems should be aware of this vulnerability and take immediate action to patch affected systems. Additionally, organizations that use Windows Network Connection Broker should prioritize patching this vulnerability to prevent potential security breaches.

Technical summary

The CVE-2026-61366 vulnerability is caused by a double free in the Windows Network Connection Broker. This vulnerability allows an authorized attacker to elevate privileges locally. The CVSS score for this vulnerability is 7, indicating a high severity. The affected products include various versions of Windows 10, Windows 11, and Windows Server.

Defensive priority

This vulnerability allows an authorized attacker to elevate privileges locally, which could lead to a significant impact on the system's security. Therefore, it is essential to prioritize patching this vulnerability.

Recommended defensive actions

  • Apply the patch provided by Microsoft to fix the double free vulnerability in Windows Network Connection Broker.
  • Ensure that all affected systems are updated with the latest security patches.
  • Monitor systems for any suspicious activity that could be related to this vulnerability.
  • Consider implementing additional security measures to prevent local privilege escalation attacks.

Evidence notes

The CVE-2026-61366 vulnerability is caused by a double free in the Windows Network Connection Broker. According to the NVD, this vulnerability has been analyzed. Microsoft has provided a patch for this vulnerability. Affected products include various versions of Windows 10, Windows 11, and Windows Server.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:12.827Z and has not been modified since then.