What’s Vulnerable › Vulnerabilities

CVE-2018-0802: Microsoft Office Memory Corruption Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-11-03
• EPSS: 93.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-01-10 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Microsoft Office: 2007-sp3, 2010-sp2, 2013-sp1, 2016
• Microsoft Office Compatibility Pack: all versions
• Microsoft Word for Android: 2007-sp3, 2010-sp2, 2013-sp1, 2016

References

• http://www.securityfocus.com/bid/102347
• http://www.securitytracker.com/id/1040153
• https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html
• https://github.com/rxwx/CVE-2018-0802
• https://github.com/zldww2011/CVE-2018-0802_POC
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
• https://research.checkpoint.com/another-office-equation-rce-vulnerability/
• http://www.securityfocus.com/bid/102347
• http://www.securitytracker.com/id/1040153
• https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html
• https://github.com/rxwx/CVE-2018-0802
• https://github.com/zldww2011/CVE-2018-0802_POC

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