Risk | Critical |
Patch available | NO |
Number of vulnerabilities | 1 |
CVE ID | N/A |
CWE ID | CWE-415 |
Exploitation vector | Network |
Public exploit | This vulnerability is being exploited in the wild. |
Vulnerable software Subscribe |
Microsoft Internet Explorer Client/Desktop applications / Web browsers |
Vendor | Microsoft |
This security advisory describes one critical risk vulnerability.
Risk: Critical
CVSSv3: 8.8 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-415 - Double Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing ".mht" files. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsMicrosoft Internet Explorer: 9, 10, 11
CPEhttps://enki.co.kr/blog/2021/02/04/ie_0day.html
https://twitter.com/dnpushme/status/1357264755333816320
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.