#VU9896 Memory corruption in Microsoft Office and Microsoft Word


Published: 2020-03-18 | Updated: 2022-08-02

Vulnerability identifier: #VU9896

Vulnerability risk: Critical

CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2018-0802

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications
Microsoft Word
Client/Desktop applications / Office applications

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 when processing Microsoft Word documents. A remote attacker can create a specially crafted Word document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office or Microsoft WordPad software.

Note: the vulnerability is being exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2007, 2010, 2013 - 2013 RT

Microsoft Word:


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802


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?

Yes. This vulnerability is being exploited in the wild.


Latest bulletins with this vulnerability