cbcvebase.
CVE-2026-21986
published 2026-01-20

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…

PriorityP428high7.1CVSS 3.1
AVLACLPRNUINSCCNINAH
EPSS
0.19%
8.4th percentile
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).

Affected

5 ranges
VendorProductVersion rangeFixed in
debianvirtualbox< virtualbox 7.2.6-dfsg-1 (sid)virtualbox 7.2.6-dfsg-1 (sid)
oraclevm_virtualbox
oraclevm_virtualbox
oracle_corporationoracle_vm_virtualbox
oracle_corporationoracle_vm_virtualbox

CVSS provenance

nvdv3.17.1HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
osv7.1HIGH
vendor_debian7.1HIGH
vendor_oracle7.1HIGH
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