No exploitation reported

CVE-2017-4939

No exploitation reported by the sources we read.

Published2017-11-17
WeaknessCWE-426

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

VMware Workstation (12.x before 12.5.8) installer contains a DLL hijacking issue that exists due to some DLL files loaded by the application improperly. This issue may allow an attacker to load a DLL file of the attacker's choosing that could execute arbitrary code.

Timeline

dates in UTC

2017-11-1721:29CVE publishedNVD

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-2017-4939?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-4939?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Vmware workstation

Branch	Affected	Fixed in	Source
12.0	= 12.0.0	no fix published	NVD
12.0	= 12.0.1	no fix published	NVD
12.1	= 12.1.1	no fix published	NVD
12.5	= 12.5.0	no fix published	NVD
12.5	= 12.5.1	no fix published	NVD
12.5	= 12.5.2	no fix published	NVD
12.5	= 12.5.3	no fix published	NVD
12.5	= 12.5.4	no fix published	NVD
12.5	= 12.5.5	no fix published	NVD
12.5	= 12.5.6	no fix published	NVD
12.5	= 12.5.7	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

www.vmware.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-426read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2017-11-17
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-4939?

Is CVE-2017-4939 actively exploited?

Active exploitation of CVE-2017-4939 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-4939?

CVE-2017-4939 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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