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CVE-2026-62747 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:26.883Z and has not been modified since then. The NVD entry is currently Analyzed. This vulnerability, CVE-2026-62747, is a heap-based buffer overflow in the Windows Device Association Service, allowing an authorized attacker to elevate privileges locally. It has a CVSS score of 7.8 and is classified as HIGH severity. Microsoft has provided a patch for this vulnerability, which should be applied as soon as possible. System administrators and security teams responsible for Windows systems, especially those with high security requirements, should be aware of this vulnerability and take immediate action to patch affected systems. The vulnerability's impact could be significant if exploited, emphasizing the need for prompt patching. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Review compensating controls for exposed systems while remediation is scheduled and verified. Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 7.8
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 Windows systems, especially those with high security requirements, should be aware of this vulnerability and take immediate action to patch affected systems.

Technical summary

The CVE-2026-62747 vulnerability is a heap-based buffer overflow in the Windows Device Association Service. This vulnerability allows an authorized attacker to elevate privileges locally. The vulnerability has a CVSS score of 7.8 and is classified as HIGH severity. Microsoft has provided a patch for this vulnerability, which should be applied as soon as possible.

Defensive priority

This vulnerability allows an authorized attacker to elevate privileges locally, which could have significant impacts on system security. Affected systems should be patched as soon as possible.

Recommended defensive actions

  • Apply the patch provided by Microsoft to address the heap-based buffer overflow vulnerability in the Windows Device Association Service.
  • Ensure that all affected systems are updated with the latest security patches.
  • Monitor system logs for any suspicious activity related to the Windows Device Association Service.

Evidence notes

The CVE-2026-62747 record indicates a heap-based buffer overflow in the Windows Device Association Service. According to the NVD, this vulnerability has a CVSS score of 7.8 and is classified as HIGH severity. Microsoft has provided a patch for this vulnerability.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:26.883Z and has not been modified since then.