CVE-2026-69373: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607

This vulnerability involves an integer overflow or wraparound condition in the Windows Overlay Filter on Microsoft Windows 10 Version 1607 and several other builds. An authorized attacker with local access can exploit this flaw to elevate their privileges on the system. The issue is tracked as CWE-190 (Integer Overflow or Wraparound). Multiple affected Windows 10 versions are identified, and Microsoft has issued official patches to address the vulnerability.

Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access on the affected system. The confidentiality, integrity, and availability of the system could be fully compromised as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at this time.

An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions as detailed in the Microsoft Security Response Center advisory. No additional mitigation steps are indicated beyond applying the official patches.