CVE-2025-41239
ENISA EUVD: EUVD-2025-21539 ↗
✓ Confirmed 0-Day
Triaged: March 5, 2026
1 article
Published: 2025-07-15
EPSS Score
Source: FIRST.org · 2026-05-23
0.2%
probability
This CVE has a 0.2% probability
of being exploited in the next 30 days.
0%
Top 42.4th percentile of all CVEs
100%
CVSS v3.1
Source: VulnerabilityLookup (CIRCL)7.1
HIGH
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Description
VulnerabilityLookup (CNA)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 Products
VMware
ESXi
8.0
8.0
7.0
VMware
Cloud Foundation
5.x, 4.5.x
VMware
Workstation
17.x
VMware
Fusion
13.x
VMware
Telco Cloud Platform
5.x, 4.x, 3.x, 2.x
Attack Intelligence
Signal Intelligence
Confidence
85%
EPSS
0.2%
CVSS v3.1
7.1
Mentions
1
Last Seen
Jul 17, 2025
CNA Information
CNA Assigner
vmware
CNA Title
vSockets information-disclosure vulnerability
Analyst Note
CVE-2025-41239 is explicitly named as one of four ESXi zero-day bugs exploited at Pwn2Own Berlin according to BleepingComputer. The article title directly confirms zero-day exploitation, and the CVE publication date (2025-07-15) aligns with the Pwn2Own event timing, indicating exploitation preceded or coincided with patch availability.
Threat Actors 2
Hacking Team
apt_group
🇮🇹 IT
The White Company
apt_group
Information theft and espionage
🇨🇳 CN
Triage Info
Decided atMar 05, 2026
Published DateJul 15, 2025