What is CVE-2026-21982?

CVE-2026-21982 is a high-severity vulnerability in Oracle Vm Virtualbox, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-01-20.

How severe is CVE-2026-21982?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Oracle Vm Virtualbox

CVE-2026-21982

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. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/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

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

secalert_us@oracle.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21982?: CVE-2026-21982 is a high-severity vulnerability in Oracle Vm Virtualbox, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-01-20.
How severe is CVE-2026-21982?: High severity. CVSS v3 base score is 7.5 out of 10.