VMware Workstation (16.x prior to 16.2.2) and Horizon Client for Windows (5.x prior to 5.5.3) contains a denial-of-service vulnerability in the Cortado ThinPrint component. The issue exists in TrueType font parser. A malicious actor with access to a virtual machine or remote desktop may exploit this issue to trigger a denial-of-service condition in the Thinprint service running on the host machine where VMware Workstation or Horizon Client for Windows is installed.
Conclusion & alert: CVE-2022-22938 is rated Low Risk (34.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.08%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.04% | 0.08% | +0.04% |
| 2 | 2025-11-18 | 0.11% | 0.04% | -0.07% |
| 3 | 2025-03-17 | — | 0.11% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.0 | 4.0 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| vmware | workstation | >= 16.0.0, < 16.2.2 | cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:* |
| vmware | horizon | >= 5.0.0, < 5.5.3 | cpe:2.3:a:vmware:horizon:*:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://www.vmware.com/security/advisories/VMSA-2022-0002.html | Patch Vendor Advisory |