The exploit code was revealed after Hacking Team data leak.
The vulnerability was reported by FireEye's Genwei Jiang and Google Project Zero's Mateusz Jurczyk.
The vulnerability has being exploited by Eugene Ching of Qavar Security on the January 2015.
Vulnerable component: Windows
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to buffer overflow in Windows Adobe Type Manager library when processing OpenType fonts. A remote attacker can create a specially crafted document or website with embedded malicious OpenType font, trick the victim into opening it, cause memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: the vulnerability was being actively exploited.