SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-6982

VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG contain uninitialized stack memory usage in the vmxnet3 virtual network adapter which may lead to an information leak from host to guest.

MEDIUM 6.5EPSS 0.45%

Does this matter?

Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.

Description

VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG contain uninitialized stack memory usage in the vmxnet3 virtual network adapter which may lead to an information leak from host to guest.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS
0.45% probability · 39th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-908
Affected
vmware/workstation · vmware/fusion · vmware/esxi
Source
security@vmware.com
EPSS trend
0%3%5%27 October 2026: 0.45%27 October 202627 October 2026

EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.