SB2026022628 - Multiple vulnerabilities in VMware Workstation
Published: February 26, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2026-22722)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A local user on the hypervisor can crash the system.
The vulnerability affects Windows installations only.
2) Out-of-bounds read (CVE-ID: CVE-2026-22717)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a malicious guest to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A local unprivileged user on the guest VM can read certain data related to the host OS.
3) Out-of-bounds write (CVE-ID: CVE-2026-22716)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:U/U:Clear
The vulnerability allows a malicious guest to perform a denial of service attack.
The vulnerability exists due to a boundary error. A local unprivileged user on the guest VM can trigger an out-of-bounds write and crash some Workstation processes on the host OS.
Remediation
Install update from vendor's website.