CVE-2018-0802
Microsoft Office Memory Corruption Vulnerability
- Published
- Jan 10, 2018
- Updated
- Oct 21, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Nov 3, 2021
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
6PoC for CVE-2018-0802 And CVE-2017-11882
Proof-of-concept exploit for CVE-2018-0802 Office Equation Editor RCE, using Packager OLE object to drop and execute embedded payloads with bypass for command length restrictions.
PoC Exploit for CVE-2018-0802 (and optionally CVE-2017-11882)
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