CVE-2026-21956
published 2026-01-20CVE-2026-21956: 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…
PriorityP341high8.2CVSS 3.1
AVLACLPRHUINSCCHIHAH
EPSS
0.26%
17.9th 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 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 takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | virtualbox | < virtualbox 7.2.6-dfsg-1 (sid) | virtualbox 7.2.6-dfsg-1 (sid) |
| oracle | vm_virtualbox | — | — |
| oracle | vm_virtualbox | — | — |
| oracle_corporation | oracle_vm_virtualbox | — | — |
| oracle_corporation | oracle_vm_virtualbox | — | — |
CVSS provenance
nvdv3.18.2HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
osv8.2HIGH
vendor_debian8.2HIGH
vendor_oracle8.2HIGH
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GHSA
GHSA-r9hg-xj8m-mw5m: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
ghsa_unreviewed·2026-01-21
CVE-2026-21956 [HIGH] CWE-400 GHSA-r9hg-xj8m-mw5m: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
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 takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
OSV
CVE-2026-21956: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
osv·2026-01-20·CVSS 8.2
CVE-2026-21956 [HIGH] CVE-2026-21956: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
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 takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
Oracle
Oracle Oracle Virtualization Risk Matrix: Core — CVE-2026-21956
vendor_oracle·2026-01-15·CVSS 8.2
CVE-2026-21956 [HIGH] Oracle Oracle Virtualization Risk Matrix: Core — CVE-2026-21956
Oracle Oracle Virtualization Risk Matrix: Core vulnerability
CVE: CVE-2026-21956
CVSS: 8.2
Protocol: None
Remote exploit: No
Affected versions: Local
Advisory: cpujan2026 (JAN 2026)
Debian
CVE-2026-21956: virtualbox - Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (comp...
vendor_debian·2026·CVSS 8.2
CVE-2026-21956 [HIGH] CVE-2026-21956: virtualbox - Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (comp...
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 takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
Scope: local
sid: resolved (fixed in 7.2.6-dfsg-1)
No detection rules found.
No public exploits indexed.
2026-01-20
Published