High 7.0Published Jan 11, 2018

CVE-2017-4950VMware Workstation and Fusion contain an integer overflow vulnerability in VMware NAT service when IPv6 mode is enabled.

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects vmware fusion and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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VMware Workstation and Fusion contain an integer overflow vulnerability in VMware NAT service when IPv6 mode is enabled. This issue may lead to an out-of-bound read which can then be used to execute code on the host in conjunction with other issues. Note: IPv6 mode for VMNAT is not enabled by default.

CVSS: 7.0 HIGH (v3.0, NVD)CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

vmware fusion vmware:fusion	from 8.0 before 8.5.10; from 10.0 before 10.1.1	NVD
vmware workstation vmware:workstation	from 12.0 before 12.5.9; from 14.0 before 14.1.1	NVD

References

References

http://www.securityfocus.com/bid/102490	third-party-advisory, vdb-entry
http://www.securitytracker.com/id/1040161	third-party-advisory, vdb-entry
https://www.vmware.com/security/advisories/VMSA-2018-0005.html	patch, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.