CVE-2018-8504 — A remote code execution vulnerability exists in Microsoft Word software when the

A remote code execution vulnerability exists in Microsoft Word software when the software fails to properly handle objects in Protected View, aka "Microsoft Word Remote Code Execution Vulnerability." This affects Microsoft SharePoint Server, Office 365 ProPlus, Microsof

01What is this vulnerability?

A remote code execution vulnerability exists in Microsoft Word software when the software fails to properly handle objects in Protected View, aka "Microsoft Word Remote Code Execution Vulnerability." This affects Microsoft SharePoint Server, Office 365 ProPlus, Microsoft Office, Microsoft Word.

02Affected products

Vendor	Product	Versions
Microsoft	Microsoft SharePoint Server	2010 Service Pack 2
Microsoft	Microsoft Office	2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2016 (32-bit edition), 2016 (64-bit edition), 2019 for 32-bit editions, 2019 for 64-bit editions, Web Apps 2010 Service Pack 2
Microsoft	Office	365 ProPlus for 32-bit Systems, 365 ProPlus for 64-bit Systems
Microsoft	Microsoft Word	2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2016 (32-bit edition), 2016 (64-bit edition)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-10-10T13:00:00.000Z
• Last modified: 2024-08-05T06:54:36.583Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/105499
• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8504
• www.securitytracker.com — http://www.securitytracker.com/id/1041840