VulnerabilityAnalyzed
CVE-2018-0798
Microsoft Office Memory Corruption Vulnerability
KEVHIGH 8.8EPSS 95.1%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Equation Editor in 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 Office Memory Corruption Vulnerability".
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 95.12% probability · 100th percentile
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-787
- Affected
- microsoft/office · microsoft/office compatibility pack · microsoft/word
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-0798
References
- http://www.securityfocus.com/bid/102370Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040153Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2018/01/bringing-abandoned-equation-editor-back.htmlThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0798Patch, Vendor Advisory
- http://www.securityfocus.com/bid/102370Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040153Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2018/01/bringing-abandoned-equation-editor-back.htmlThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0798Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0798US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.