CVE-2025-41239

vSockets information-disclosure vulnerability

HIGH
7.1
CVSS Score
Published: July 15, 2025 at 06:35 PM UTC
Updated: June 17, 2026 at 09:22 AM UTC
7 products affected across 1 vendorWorkstationCloud FoundationESXi

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Severity
HIGH7.1
Exploit prediction
EPSS 3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

7.0 ≤ v < ESXi70U3w-247847418.0 ≤ v < ESXi80U2e-247893178.0 ≤ v < ESXi80U3f-247847357.08.0
Affected range stops below ESXi70U3w-24784741, so it looks safe — our inference, not a vendor statement
Affected range stops below ESXi80U2e-24789317, so it looks safe — our inference, not a vendor statement
Affected range stops below ESXi80U3f-24784735, so it looks safe — our inference, not a vendor statement
13.x ≤ v < 13.6.413.x
Affected range stops below 13.6.4, so it looks safe — our inference, not a vendor statement
12.x.x, 11.x.x, ≤ v < 12.5.313.x.x ≤ v < 13.0.1.011.x.x12.x.x13.x.x
Affected range stops below 12.5.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.0.1.0, so it looks safe — our inference, not a vendor statement
17.x ≤ v < 17.6.417.x
Affected range stops below 17.6.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHvmware
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-908

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