Public proof of conceptFix available

CVE-2018-8172

A public proof of concept exists; no exploitation attested.

Published2018-07-11

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2018-07-1100:29CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-8172?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-8172?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft visual studio

Branch	Affected	Fixed in	Source
2010.x	= 2010	no fix published	NVD
2012.x	= 2012	no fix published	NVD
2013.x	= 2013	no fix published	NVD
2015.x	= 2015	no fix published	NVD

Microsoft expression blend

Branch	Affected	Fixed in	Source
2.x	= 2	no fix published	NVD
3.x	= 3	no fix published	NVD
4.x	= 4	no fix published	NVD

Microsoft visual studio 2017

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD
15.7	= 15.7.5	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

portal.msrc.microsoft.comPatch · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedSyFi/CVE-2018-8172

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
FIRST EPSSEPSS score33.6 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2018-07-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-8172?

Is CVE-2018-8172 actively exploited?

Active exploitation of CVE-2018-8172 has not been confirmed. Its EPSS score was 33.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-8172?

CVE-2018-8172 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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