Equation Editor in Microsoft Office 2003, Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 al…

published 2018-01-10 8y ago modified 2026-06-17 4mo ago also EUVD-2018-1618

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 24.7%; EPSS 24.7% chance of exploitation in 30 days, percentile 97%
public exploits: 0; none known

Equation Editor in Microsoft Office 2003, 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 Word Memory Corruption Vulnerability".

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0812 advisory

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Exploit prediction

24.66% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

Microsoft Corporation Equation Editor

Classification

Weakness

CWE-787 Out-of-bounds Write

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2018-0812
patch, vendor-advisory
securitytracker.com /id/1040153
vdb-entry, third-party-advisory
securityfocus.com /bid/102463
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-0812
NVD CVE-2018-0812

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