CVE-2026-88118: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607

This vulnerability involves an integer overflow or wraparound in the Windows Background Intelligent Transfer Service (BITS) component of Microsoft Windows 10. Exploitation requires local authorized access and can lead to privilege escalation. The issue affects multiple specific Windows 10 builds, and Microsoft has issued official patches to remediate the flaw. No known exploits are reported in the wild at this time.

An authorized local attacker can exploit this integer overflow vulnerability to elevate their privileges on the affected Windows 10 systems. This could allow the attacker to gain higher-level permissions than intended, potentially leading to further system compromise.

Microsoft has released official fixes for this vulnerability. Users and administrators should apply the available security updates for their specific Windows 10 versions as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88118. No additional mitigation actions are indicated beyond applying the official patches.