Vulnerability in Oracle Vm Virtualbox
CVE-2026-21986
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 unauthenticated 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows VMs only. CVSS 3.1 Base Score 7.1 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Oracle Vm_virtualbox — versions 7.1.14, 7.2.4
- Oracle Corporation Vm Virtualbox — versions 7.1.14, 7.2.4
Public proof-of-concept exploits
References
- secalert_us@oracle.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21986?
- CVE-2026-21986 is a high-severity vulnerability in Oracle Vm Virtualbox. CVSS score: 7.1/10. Published 2026-01-20.
- How severe is CVE-2026-21986?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2026-21986 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.