Vulnerable component: Microsoft DirectX
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C
CWE-ID: CWE-626 - Null Byte Interaction Error (Poison Null Byte)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to NULL byte error in DirectX. A remote attacker can create a specially crafted QuickTime media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.