Vulnerable component: Microsoft Internet Explorer
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-416 - Use After Free
The vulnerability alows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free error in the CRecordInstance::TransferToDestination function in mshtml.dll in Microsoft Internet Explorer. A remote attacker can construct a specially crafted Web page, trick the victim into viewing it, trigger memory corruption and execute arbitrary code via DSO bindings involving an XML Island, XML DSOs, or Tabular Data Control (TDC) in a crafted HTML or XML document.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.