PT-2026-3729 · Oracle+1 · Virtualbox+1

Ao Wang · Published 2026-01-01 · Updated 2026-05-12 · CVE-2026-21982

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Oracle VM VirtualBox versions 7.1.14 and 7.2.4

Description A difficult to exploit issue exists in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). An unauthenticated attacker with access to the physical communication segment attached to the hardware where Oracle VM VirtualBox executes can compromise the software. Successful attacks can result in a takeover of Oracle VM VirtualBox.

Recommendations Update Oracle VM VirtualBox to a version later than 7.1.14. Update Oracle VM VirtualBox to a version later than 7.2.4.

Fix

RCE

Improper Access Control

Weakness Enumeration

CWE-20

CWE-284

Related Identifiers

BDU:2026-00724

CVE-2026-21982

Affected Products

Virtualbox

Red Os

References · 19

• https://oracle.com/security-alerts/cpujan2026.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00724 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-21982 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-21982 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-21982 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21982 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21982 · Vendor Advisory
• https://twitter.com/CVEnew/status/2013740401077768618 · Twitter Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti-red-os-8-0/uyazvimost-virtualbox-guest-additions-cve-2026-21982-8.0 · Note
• https://redos.red-soft.ru/search/?iblock_id=24&q=CVE-2026-21982 · Note
• https://twitter.com/RedPacketSec/status/2013918188782645373 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21982 · Note
• https://t.me/CVEtracker/42637 · Telegram Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-virtualbox-guest-additions-cve-2026-21982-7.3 · Note
• https://twitter.com/VulmonFeeds/status/2013805554670424569 · Twitter Post