Vulnerability identifier: #VU28813

Vulnerability risk: Medium

CVSSv3.1: 5.8 [CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-1260

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the VBScript engine. A remote attacker can create a specially crafted webpage, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 9 - 11

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1260

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.