← Vulnerability feed

Vulnerability record · CVE-2019-5527 · published 10 October 2019

CVE-2019-5527: Vmware horizon use after free vulnerability

Vmware · Horizon

ESXi, Workstation, Fusion, VMRC and Horizon Client contain a use-after-free vulnerability in the virtual sound device. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 8.5.

8.8 CVSS 3.1 High EPSS 0.30% · top 79.3% CWE-416 · Use after free
8.8CVSS 3.1 base score, v2 7.2
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

ESXi, Workstation, Fusion, VMRC and Horizon Client contain a use-after-free vulnerability in the virtual sound device. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 8.5.

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

Affected products

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

References

LinkTags
https://www.vmware.com/security/advisories/VMSA-2019-0014.html Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2019-0014.html Vendor Advisory

Track CVE-2019-5527 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2020-3992VMware ESXi OpenSLP use-after-free allows remote code executionOpenSLP as used in VMware ESXi contains a use-after-free flaw reachable over port 427 on the management network. An unauthenticated attacker with net…KEVEPSS 83%analysed9.8CVE-2019-5544OpenSLP heap out-of-bounds write in VMware ESXi and Horizon DaaSOpenSLP as shipped in VMware ESXi and Horizon DaaS contains a heap overwrite (out-of-bounds write) flaw. VMware rates it Critical with a maximum CVSS…KEVEPSS 97%analysed8.2CVE-2025-22224VMware ESXi and Workstation TOCTOU race leads to out-of-bounds writeVMware ESXi, Workstation, and related products contain a TOCTOU race condition that results in an out-of-bounds write. An attacker with local adminis…KEVEPSS 1.6%analysed8.2CVE-2025-22225VMware ESXi VMX arbitrary write enables sandbox escapeVMware ESXi contains an arbitrary write vulnerability in which a malicious actor with privileges within the VMX process can trigger an arbitrary kern…KEVEPSS 1.0%analysed7.8CVE-2020-3950VMware Fusion, VMRC and Horizon Client setuid privilege escalationVMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac mishandle setuid binaries, allowing a local user to gain root. The flaw affec…KEVEPSS 7.3%analysed7.8CVE-2010-3904Linux Kernel RDS rds_page_copy_user Improper Input Validation Privilege EscalationThe rds_page_copy_user function in net/rds/page.c in the Linux kernel before 2.6.36 fails to properly validate addresses obtained from user space. A …KEVEPSS 14%analysed7.5CVE-2023-29552Service Location Protocol unauthenticated service registration enables DoS amplificationThe Service Location Protocol (SLP, RFC 2608) permits an unauthenticated, remote attacker to register arbitrary services. This allows spoofed UDP tra…KEVEPSS 64%analysed7.2CVE-2024-37085VMware ESXi AD group recreation authentication bypassVMware ESXi contains an authentication bypass where an actor with sufficient Active Directory permissions can regain full access to an ESXi host join…KEVEPSS 27%analysed

Source: NIST National Vulnerability Database (record CVE-2019-5527), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.