Buffer overflow in Microsoft Office and Microsoft Excel - CVE-2018-8636

 

Buffer overflow in Microsoft Office and Microsoft Excel - CVE-2018-8636

Published: December 11, 2018


Vulnerability identifier: #VU16474
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-8636
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 a boundary error when processing Microsoft Excel files. A remote attacker can create a specially crafted Excel document, trick the victim into opening 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.


Affected software

Microsoft Office
Microsoft Excel

How to mitigate CVE-2018-8636

Install updates from vendor's website.


External References

Related Security Bulletins