Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-101598

High 7.8

In plain English

A high-severity security flaw in Oracle VM VirtualBox from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.2%top 95.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.20. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:22.04:LTS	virtualbox	no fix listed	UBUNTU-CVE-2026-101598
Ubuntu:24.04:LTS	virtualbox	no fix listed	UBUNTU-CVE-2026-101598
Ubuntu:26.04:LTS	virtualbox	no fix listed	UBUNTU-CVE-2026-101598
Ubuntu:26.10	virtualbox	no fix listed	UBUNTU-CVE-2026-101598

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	Oracle VM VirtualBox	7.2.20

References

Oracle Advisory vendor-advisory