CVE-2026-21955

highpriority · track · 10EPSS 0.003 · 23 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.31% (23rd) EPSS

CVSS 8.2 · high

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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).

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.2highAV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · secalert_us@oracle.com USexploitability 1.5 · impact 6

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-400USCWE-400US

exploits (1)

Public proof-of-concept and weaponised exploit code.

minq0x1412/CVE-2026-21955minq0x1412/CVE-2026-21955PoC · poc_in_github

affected products (9)

Products and version ranges known to be affected.

Oracle VM VirtualBox 7.1.14all versionscert_bundDEcpe:/a:oracle:vm:virtualbox_7.1.14
Oracle VM VirtualBox 7.2.4all versionscert_bundDEcpe:/a:oracle:vm:virtualbox_7.2.4
Oracle Corporation Oracle VM VirtualBox≤ 7.1.14enisa_euvdEU
Oracle Corporation Oracle VM VirtualBox≤ 7.2.4enisa_euvdEU
Oracle Corp. VM VirtualBox≤ 7.1.14fstec_bduRU
Oracle Corp. VM VirtualBox≤ 7.2.4fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 8.0fstec_bduRU
oracle vm virtualbox= 7.1.14nvdUScpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
oracle vm virtualbox= 7.2.4nvdUScpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0172Oracle Virtualization: Mehrere SchwachstellenDeutsch2026-01-20csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Virtualization ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2026-01-20modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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