CVE-2026-68832: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607

This vulnerability involves an integer overflow or wraparound in the Windows NTFS file system implementation. An authorized attacker with local access can exploit this flaw to elevate their privileges on the system. The issue affects multiple Windows 10 versions starting from build 10.0.14393.0 up to but not including various patched builds (e.g., <10.0.14393.9512, <10.0.17763.9245, <10.0.19044.7725, etc.). The vulnerability has been assigned CVE-2026-68832 and is tracked under CWE-190 (Integer Overflow or Wraparound). Microsoft has published an official advisory and released patches to remediate this vulnerability.

Successful exploitation of this vulnerability allows an authorized local attacker to elevate privileges, potentially gaining higher system rights than intended. This can lead to full system compromise, including the ability to install programs, view or change data, or create new accounts with full user rights. The CVSS 3.1 base score of 7.8 reflects high impact on confidentiality, integrity, and availability.

Microsoft has released official patches to address this vulnerability. Users and administrators should apply the latest security updates for their specific Windows 10 versions as listed in the vendor advisory. Since an official fix is available, applying these updates is the recommended and effective mitigation. No additional workarounds or mitigations are indicated by the vendor.