What it is
CVE-2025-22226 is an unauthenticated vulnerability affecting VMware ESXi and 5 other products. VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in...
Vulnerability report
Exploited in the wild
Confirmed confidence
In CISA KEV
CVE-2025-22226
ESXi Information Disclosure
VMware / ESXi · affected before ESXi80U3d-24585383
- Severity
- CVSS 7.1 · High
- Confidence
- Confirmed
- Exploit status
- Exploited in the wild
- EPSS
- 1.7%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.
Who is affected?
VMware / ESXi affected before esxi80u3d-24585383.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
ESXi Information Disclosure
VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. A malicious actor with administrative privileges to a virtual machine may be able to exploit this issue to leak memory from the vmx process.
Vendor
Product
Affected
Status
n/a
ESXi
Before ESXi80U3d-24585383
Affected
n/a
ESXi
Before ESXi80U2d-24585300
Affected
n/a
ESXi
Before ESXi70U3s-24585291
Affected
n/a
VMware Workstation
Before 17.6.3
Affected
n/a
VMware Fusion
Before 13.6.3
Affected
n/a
VMware Cloud Foundation
5.x, 4.5.x
Affected
n/a
VMware Telco Cloud Platform
5.x, 4.x, 3.x, 2.x
Affected
n/a
VMware Telco Cloud Infrastructure
3.x, 2.x
Affected
- Published
- 04 Mar 2025
- Exploitation Reported
- 04 Mar 2025
- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- None
Tags
cisa
nessus_scanner
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2025-22226
- support.broadcom.com/web/ecx/support-content-notification/-/exter... support.broadcom.com · CVE Record https://support.broadcom.com/web/ecx/support-content-notification/-/e...
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
CISA
Independent exploitation attestation added to the KEV Intelligence record.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2025-03-04 00:00 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
Nessus template detected 02 Jun 2025.
View Nessus template (opens in new tab)Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nessus | https://www.tenable.com/plugins/nessus/237304 | 02 Jun 2025 |
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
7.1
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS
1.7%
Weaknesses
Timeline
From disclosure to observed exploitation
-
Nessus plugin available
Scanner coverage available
-
CVE published
Vulnerability disclosed publicly
-
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2025-22226
Free JSON includes basic KEV fields{
"cve_id": "CVE-2025-22226",
"confidence": "Confirmed",
"cvss_score": 7.1,
"cvss_estimated": false,
"epss_score": 0.01735,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.