Remote code execution in Microsoft Office

Published: 2017-10-10 20:34:59
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVSSv2 8.1 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C)
CVSSv3 9.1 [CVSS:3.0/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-2017-11826
CWE ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Microsoft Office
Microsoft Word
Vulnerable software versions Microsoft Office 2013
Microsoft Office 2010
Microsoft Office 2007
Microsoft Word 2013
Microsoft Word 2010
Microsoft Word 2007
Vendor URL Microsoft
Advisory type Public

Security Advisory

1) Memory corruption

Description

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

The weakness exists due to boundary error when handling malicious content. A remote attacker can send a specially crafted .doc file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Note: the vulnerability is being actively exploited.

Remediation

Install update from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826

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