CVE-2026-69408: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607

CVE-2026-69408 is an integer overflow or wraparound vulnerability in Microsoft Windows Media Foundation that enables remote code execution by an unauthorized attacker over a network. The vulnerability affects multiple builds of Windows 10, including version 1607 and later updates, as detailed by the affected version ranges. The flaw allows an attacker to execute arbitrary code with no privileges or user interaction required. Microsoft has published an official fix addressing this vulnerability.

Successful exploitation of this vulnerability allows an attacker to execute arbitrary code remotely, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of affected systems. No known exploits are currently reported in the wild.

An official fix is available from Microsoft. Users and administrators should apply the security updates provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69408 to remediate this vulnerability.