CVE-2008-3431VulnerabilityPublished 03/03/2022Updated 10/24/2026

CVE-2008-3431: Oracle VirtualBox Insufficient Input Validation Vulnerability

Affects Oracle VirtualBoxSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 03/03/2022
KEV deadline: 03/24/2022
EPSS: 6.9% chance of exploitation in 30 days – higher than 94% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2008-3431 (opens in a new tab)

Description

CVE-2008-3431 is an input validation vulnerability in the VBoxDrv.sys driver of Oracle VirtualBox. This flaw allows local attackers to execute arbitrary code on the affected system. The vulnerability has been exploited in the wild, indicating active use by threat actors. No specific affected versions or patch information is provided in the available data.

Summary

The vulnerability identified as CVE-2008-3431 exists in the VBoxDrv.sys driver component of Oracle VirtualBox. It stems from insufficient input validation, which can be leveraged by local attackers to execute arbitrary code with elevated privileges. The vulnerability has been confirmed to be exploited in real-world attacks. However, no explicit details on affected versions or remediation status are provided in the source data.

Impact

Successful exploitation of this vulnerability allows a local attacker to execute arbitrary code on the host system, potentially leading to full system compromise. Given the nature of the flaw and its exploitation in the wild, the impact is considered high.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to VirtualBox usage.

Weaknesses

CWE-264Unclassified weakness (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 10:12:12 UTC

Weaknesses

References

Related threats