Different patch codes allow an attacker to create a source of vulnerability (attack direction). As soon as Microsoft released an update, an attacker could compare the patches of Windows 7, 8.1 and 19, finding a similarity that could create a new error.
Researchers also point out that Patch & Diff is a simple way. 'Amateurs can also be easily used to identify the three new vulnerabilities mentioned above'.
With Windows, as such, heterogeneous patching problems can also affect other software such as Oracle, Linux or Cisco . 'We encourage the adoption of identical security patches on software versions. supported ', Jurczyk.