THREATPORT/VULNERABILITY/CVE-2018-8504
HIGH SEVERITY

CVE-2018-8504

Office vulnerability

CVSS
8.8
EPSS
18.7%
EPSS pct
97th
Exploited
No known
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.
Affected vendor
Microsoft
Affected product
Office
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2018-10-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 18.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2018-8504

  • Confirm whether Microsoft Office is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-8504.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8504

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8504 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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