CVE-2018-0798

Microsoft Corporation Equation Editor

Published 10 Jan 2018 · updated 17 Jun 2026 · Analyzed

8.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allows a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability".

References

www.securityfocus.com/bid/102370 · Broken Link, Third Party Advisory, VDB Entry
www.securitytracker.com/id/1040153 · Broken Link, Third Party Advisory, VDB Entry
0patch.blogspot.com/2018/01/bringing-abandoned-equation-editor-back.html · Third Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0798 · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0798 · US Government Resource