CVE Catalog

CVE-2018-0851

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Very high risk
19.11%

97th percentile - higher than 97% of all known CVEs

Summary

A remote code execution vulnerability in Microsoft Office 2007, 2010, 2013, 2016, Word Viewer and Click-to-Run caused by how Office handles objects in memory. An attacker can execute arbitrary code in the context of the user opening a malicious file.

Risk Assessment

Successful exploitation allows full compromise of the user's workstation, including malware installation and data theft. The risk is high in organizations where users open Office documents from untrusted sources.

Recommendation

Immediately apply the Microsoft Office security updates released in the February 2018 bulletin. Additionally, block macros and documents from untrusted sources and enforce least privilege for user accounts.

Other vulnerabilities in Microsoft Office

See all
Original NVD description (English source)

Microsoft Office 2007 SP2, Microsoft Office Word Viewer, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1 and RT SP1, Microsoft Office 2016, and Microsoft Office 2016 Click-to-Run (C2R) allow a remote code execution vulnerability, due to how Office handles objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE is unique from CVE-2018-0852.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS