Memory corruption in Microsoft products - CVE-2017-8631
Published: September 12, 2017 / Updated: September 12, 2017
Vulnerability identifier: #VU8274
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8631
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when processing Excel files. A remote unauthenticated attacker can create a specially crafted Excel file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Microsoft Office Compatibility Pack
Microsoft Excel
Excel Services on Microsoft SharePoint Server
Microsoft Excel for macOS
Microsoft Office Web Apps
Microsoft Excel Web App
Office Online Server
Microsoft Excel
Excel Services on Microsoft SharePoint Server
Microsoft Excel for macOS
Microsoft Office Web Apps
Microsoft Excel Web App
Office Online Server
How to mitigate CVE-2017-8631
Install updates from vendor's website.