VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write
Why It Matters
Analysis dossierWhy It Matters
VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.
Immediate Attention
Yes
Unknown
Risk basis: CISA KEV exploitation signal; SOC ecosystem technology relevance; CRITICAL severity; Known exploitation signal from CISA KEV or ransomware metadata; Source-confirmed exploitation or CISA KEV/ransomware metadata
Affected Products & Remediation
5 source-backed products- vmware esxi · 7.0; 8.0 · NVD CPE · Source
- vmware cloud foundation · version range not provided by source · NVD CPE · Source
- vmware telco cloud infrastructure · 2.2; 2.5; 2.7; 3.0 · NVD CPE · Source
- vmware telco cloud platform · 2.0; 2.5; 2.7; 3.0; 4.0; 4.0.1; 5.0 · NVD CPE · Source
- vmware workstation · >= 17.0 < 17.6.3 · NVD CPE · Source
Vendor or catalog guidance (source)
- CISA KEV: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known exploitation (source facts)
Only what a source states. Unknown means no source has said either way; it is not "not exploited".
- CISA KEV
- Listed
- Exploited (source statement)
- Yes
- Publicly disclosed (source)
- Unknown
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Suggested hunting (rule-based inference)
SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.
No rule-based guidance for this vulnerability class
CISA KEV Record
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Change History & Source Data
— No recorded material change
- CNA / source
- security@vmware.com
- Record status · verification
- UPDATED · CISA KEV confirmed
- CPE
- cpe:2.3:o:vmware:esxi:7.0:-:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:beta:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_1:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_1a:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_1b:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_1c:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_1d:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_1e:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_2:*:*:*:*:*:*, cpe:2.3:o:vmware:esxi:7.0:update_2a:*:*:*:*:*:*
Evidence & Provenance
Linked by the query's stored exact CVE association. Review required tables and validation status before use.
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2025-22224"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel descLooking up related community queries…