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HIGH

CVE-2025-41239

vSockets information-disclosure vulnerability

CVSS v3

7.1

HIGH

EPSS Score

2.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

none

SSVC status

Description

VMware ESXi, Workstation, Fusion, and VMware Tools contains an information disclosure vulnerability due to the usage of an uninitialised memory in vSockets. A malicious actor with local administrative privileges on a virtual machine may be able to exploit this issue to leak memory from processes communicating with vSockets.

Technical details

Published
2025-07-15
Last Modified
2026-04-15

Frequently asked questions

What is CVE-2025-41239?

VMware ESXi, Workstation, Fusion, and VMware Tools contains an information disclosure vulnerability due to the usage of an uninitialised memory in vSockets. A malicious actor with local administrative privileges on a virtual machine may be able to exploit this issue to leak memory from processes communicating with vSockets.

Is CVE-2025-41239 actively exploited?

Active exploitation of CVE-2025-41239 has not been confirmed. Its EPSS score was 2.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-41239?

CVE-2025-41239 has a CVSS v3 base score of 7.1 (HIGH severity).

Is CVE-2025-41239 affecting your environment?

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