CVE-2018-0802
HIGH severity · CVSS 7.8 · Out-of-bounds write · actively exploited (CISA KEV)
7.8CVSS HIGH exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2021-11-03. US federal agencies must patch by 2022-05-03.
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)93%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802 ↗
Additional information
- NVD record
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802Patch
- http://www.securityfocus.com/bid/102347Advisory
- http://www.securitytracker.com/id/1040153Advisory
- https://github.com/zldww2011/CVE-2018-0802_POCAdvisory
- https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.htmlAdvisory
- https://github.com/rxwx/CVE-2018-0802Advisory
- https://research.checkpoint.com/another-office-equation-rce-vulnerability/Exploit