CVE-2026-71126: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)

Routine

HIGH 7.8DOWNGRADE

CVE-2026-71126 is a high-severity flaw (CVSS 7.8) affecting vm virtualbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.14. Difficult to exploit vulnerability allows low 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

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-08-18
Last modified	2026-10-22

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-18Published CVE record published
2026-10-22 17:09 UTCUpdated Record last modified

oracle vm virtualbox DOWNGRADE

Affected: 7.2.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.2.14

1. Check installed version

apt-cache policy vm-virtualbox || rpm -q vm-virtualbox || vm-virtualbox --version

2. No fixed release: DOWNGRADE to a release before 7.2.14 (Debian / Ubuntu)

apt-cache madison vm-virtualbox sudo apt install vm-virtualbox=<VERSION_BEFORE_7.2.14> sudo apt-mark hold vm-virtualbox

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list vm-virtualbox sudo dnf downgrade vm-virtualbox-<VERSION_BEFORE_7.2.14> sudo dnf versionlock add vm-virtualbox

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-71126?

vm virtualbox: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-71126 being exploited?

CVE-2026-71126 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-71126 affect?

CVE-2026-71126 affects vm virtualbox. Severity is high (CVSS 7.8). Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.14. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastruc

How urgent is CVE-2026-71126?

Priority 28/100. High severity

Software pages

VirtualBox vulnerabilities

Related CVEs

CVE-2026-47047 HIGH 7.8 DOWNGRADE Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
CVE-2026-47054 HIGH 7.8 DOWNGRADE Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
CVE-2026-60150 HIGH 7.8 DOWNGRADE Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
CVE-2026-47050 HIGH 7.4 DOWNGRADE Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
CVE-2026-60155 HIGH 7.5 DOWNGRADE Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)

References

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