THREATPORT/VULNERABILITY/CVE-2018-8172
HIGH SEVERITY

CVE-2018-8172

Expression Blend vulnerability

CVSS
7.8
EPSS
31.0%
EPSS pct
98th
Exploited
No known
A remote code execution vulnerability exists in Visual Studio software when the software does not check the source markup of a file for an unbuilt project, aka "Visual Studio Remote Code Execution Vulnerability." This affects Microsoft Visual Studio, Expression Blend 4.
Affected vendor
Microsoft
Affected product
Expression Blend
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2018-07-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, 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 31.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2018-8172

  • Confirm whether Microsoft Expression Blend is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-8172.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8172

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8172 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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