CVE-2026-21985

What is CVE-2026-21985?

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

Timeline

• 2026-01-20Published to the U.S. National Vulnerability Database (NVD)
• 2026-03-20First covered in a defend.network daily briefing
• 2026-06-17NVD record last updated

Affected product

Oracle Vm Virtualbox

References

• https://www.oracle.com/security-alerts/cpujan2026.html
• https://nvd.nist.gov/vuln/detail/CVE-2026-21985

Referenced in our briefings & reports

• VMware ESXi ransomware exploit; BlackSuit healthcare breach (2026-03-20)