CVE-2026-69768: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607

This vulnerability (CVE-2026-69768) is a heap-based buffer overflow in the Windows Remote Network Driver Interface Specification (RNDIS) component. It enables an attacker to execute arbitrary code remotely by sending specially crafted network packets. The flaw affects multiple Windows 10 builds starting from 10.0.14393.0 up to but not including various patch levels (e.g., <10.0.14393.9512, <10.0.17763.9245, etc.). The vulnerability is rated critical with a CVSS 3.1 base score of 9.8, reflecting its potential for remote code execution without privileges or user interaction. Microsoft has issued official patches to address this issue.

Successful exploitation allows remote, unauthenticated attackers to execute arbitrary code on affected Windows 10 systems, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the affected systems. No known exploits in the wild have been reported at this time.

Microsoft has released official fixes for all affected Windows 10 versions. It is strongly recommended to apply the security updates provided by Microsoft as soon as possible to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patches.