Main Vulnerability Database Vulnerabilities #VU14780

Memory corruption in Microsoft Office and Microsoft Word - CVE-2018-8430

Published: September 13, 2018

Vulnerability identifier: #VU14780

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-2018-8430

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 PDF files within Microsoft Word. A remote attacker can create a specially crafted PDF document, trick the victim into opening it with vulnerable version of Microsoft Word, 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 Word

How to mitigate CVE-2018-8430

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8430

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