Unpatched vulnerability in Windows 8.1 gets published

[Windows Central]

An unpatched vulnerability in Windows 8.1 has been disclosed on Google Security Research. The issue was subject to a 90-day automatic disclosure policy, meaning the existence of the vulnerability is published after 90 days without a broadly available patch for the issue. The issue allows for privilege elevation in ahcache.sys/NtApphelpCacheControl.

Full story from the WindowsCentral blog...