CVE-2025-22225VMware ESXi Arbitrary Write Vulnerability

VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.

8.2 HIGHEPSS 1.01%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-08-04 05:16 UTC

OverviewCVSS details

8.2HIGHCVSS 3.1

Score source: vmware (CNA)
NVD status: Analyzed
Published: Mar 4, 2025
Assigner: vmware

Affected

VMware ESXi

Versions: 8.0 before ESXi80U3d-24585383 · 8.0 before ESXi80U2d-24585300
Fixed in: ESXi80U3d-24585383, ESXi80U2d-24585300, ESXi70U3s-24585291

+3 more products →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Mar 4, 2025
KEV due date: Mar 25, 2025
Ransomware use: Known
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

1.01%chance of exploitation in 30 days

Higher than 63.51% of CVEs

CVSS 3.1 · vmware (CNA)

8.2High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack vector: Local
Attack complexity: Low
Privileges required: High
User interaction: None
Scope: Changed
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
8.2	HIGH	3.1vmware (CNA)	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Mar 25, 2025

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Details

CVE ID: CVE-2025-22225
Status: Analyzed
Assigner (CNA): vmware
Published: Mar 4, 2025
Last modified: 2026-08-04 05:16 UTC
Weaknesses: CWE-787
CWE-123

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 12:11 UTC.