VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an out-of-bounds read vulnerability in Cortado ThinPrin…

published 2020-09-16 6y ago modified 2026-06-17 4mo ago also EUVD-2020-25252

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an out-of-bounds read vulnerability in Cortado ThinPrint component (EMR STRETCHDIBITS parser). A malicious actor with normal access to a virtual machine may be able to exploit these issues to create a partial denial-of-service condition or to leak memory from TPView process running on the system where Workstation or Horizon Client for Windows is installed.

Patch / fix

fixed in 3

vmware horizon_client 5.4.4
vmware workstation_player 16.0.0
vmware workstation_pro 16.0.0

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Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
NVD	2.0	3.6	AV:L/AC:L/Au:N/C:P/I:N/A:P

Affected products

n/a VMware Workstation and Horizon Client for Windows

Classification

Weakness

CWE-125 Out-of-bounds Read

Technology feeds

VMware rss critical rss

References

vmware.com /security/advisories/VMSA-2020-0020.html
vendor-advisory

Sources

CVE List CVE-2020-3987
NVD CVE-2020-3987

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