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Vulnerability record · CVE-2019-5521 · published 20 September 2019

CVE-2019-5521: Vmware fusion out-of-bounds read vulnerability

Vmware · Fusion

VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201903001), Workstation (15.x before 15.0.3 and 14.x before 14.1.6) and Fusion (11.x before 11.0.3 and 10.x before 10.1.6) contain an out-of-bounds read vulnerability in the pixel shader functionality. Successful exploitation of this issue may lead to information disclosure or may allow attackers with normal user privileges to create a denial-of-service condition on the host. Exploitation of this issue require an attacker to have access to a virtual machine with 3D graphics enabled. It is not enabled by default on ESXi and is enabled by default on Workstation and Fusion.

9.6 CVSS 3.1 Critical EPSS 1.6% · top 24.8% CWE-125 · Out-of-bounds read
9.6CVSS 3.1 base score, v2 5.5
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201903001), Workstation (15.x before 15.0.3 and 14.x before 14.1.6) and Fusion (11.x before 11.0.3 and 10.x before 10.1.6) contain an out-of-bounds read vulnerability in the pixel shader functionality. Successful exploitation of this issue may lead to information disclosure or may allow attackers with normal user privileges to create a denial-of-service condition on the host. Exploitation of this issue require an attacker to have access to a virtual machine with 3D graphics enabled. It is not enabled by default on ESXi and is enabled by default on Workstation and Fusion.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0757 Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2019-0012.html Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0757 Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2019-0012.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-5521), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.