Microsoft releases an emergency patch for a previously unknown Internet Explorer vulnerability. The bug, a “critical” memory corruption vulnerability, was spotted being used in drive by web attacks. Microsoft included a patch for IE on Windows XP, the older operating system it no longer supports as of last month. It affects IE versions 6, 7, 8, 9, 10, and 11, and basically allows an attacker to remotely run code on a targeted machine. The vulnerability was discovered being exploited by a cyber espionage group out of China.”]
Source: https://www.darkreading.com/attacks-breaches/microsoft-issues-emergency-patch-for-ie-covers-xp