Race condition in Oracle VM VirtualBox - CVE-2026-21984

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU121767

Race condition in Oracle VM VirtualBox - CVE-2026-21984

Published: January 20, 2026 / Updated: February 19, 2026


Vulnerability identifier: #VU121767
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21984
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Oracle
Affected software:
Oracle VM VirtualBox

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in VMSVGA device. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


How to mitigate CVE-2026-21984

Install updates from vendor's website.

Sources