CVE-2018-0804
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 24.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
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 Remote Code Execution Vulnerability". This CVE is unique from CVE-2018-0805, CVE-2018-0806, and CVE-2018-0807.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 24.40% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- microsoft/office · microsoft/office compatibility pack · microsoft/word
- Source
- secure@microsoft.com
EPSS moved from 22.0% on 21 September 2026 to 24.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/102457Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040153Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0804Patch, Vendor Advisory
- http://www.securityfocus.com/bid/102457Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040153Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0804Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.