CVE-2018-8161
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Word, Word, Microsoft Office,…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Word, Word, Microsoft Office, Microsoft SharePoint. This CVE ID is unique from CVE-2018-8157, CVE-2018-8158.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 21.32% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- microsoft/office · microsoft/office web apps · microsoft/sharepoint server · microsoft/word
- Source
- secure@microsoft.com
EPSS moved from 19.5% on 21 September 2026 to 21.3% on 27 October 2026, peaking at 21.7% on 22 September 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/104052Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040853Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8161Patch, Vendor Advisory
- http://www.securityfocus.com/bid/104052Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040853Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8161Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.