Vulnerability identifier: #VU15835

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8552

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to a boundary error when VBScript improperly discloses the contents of its memory. A remote attacker with knowledge of the memory address of where the object was created can trigger memory corruption and access arbitrary data that can be used to conduct further attacks.

Mitigation
Install updates 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-2018-8552

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.