CVE-2018-0802
Microsoft Corporation Equation Editor
Published 10 Jan 2018 · updated 17 Jun 2026 · Analyzed
7.8 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. It has been used in ransomware campaigns.
Required action: Apply updates per vendor instructions.
Description
Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE is unique from CVE-2018-0797 and CVE-2018-0812.
References
- www.securityfocus.com/bid/102347 · Broken Link, Third Party Advisory, VDB Entry
- www.securitytracker.com/id/1040153 · Broken Link, Third Party Advisory, VDB Entry
- 0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html · Exploit, Third Party Advisory
- github.com/rxwx/CVE-2018-0802 · Exploit, Third Party Advisory
- github.com/zldww2011/CVE-2018-0802_POC · Third Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802 · Patch, Vendor Advisory
- research.checkpoint.com/another-office-equation-rce-vulnerability/ · Exploit
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0802 · US Government Resource