What is the CVSS score of CVE-2025-33220?

CVE-2025-33220 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-33220?

Within 24 hours: Inventory all systems running NVIDIA vGPU software and assess exposure in your environment, particularly multi-tenant or untrusted guest scenarios. Within 7 days: Implement network segmentation to isolate vGPU hosts and restrict guest-to-host communication; disable vGPU features if not operationally critical. Within 30 days: Monitor NVIDIA security advisories daily for patch availability and establish vendor contact for timeline; prepare deployment procedures for emergency patching once available.

CVE-2025-33220

HIGH

Use After Free (CWE-416)

2026-01-28 psirt@nvidia.com

Denial Of Service Privilege Escalation Information Disclosure

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 28, 2026 - 18:16 nvd

HIGH 7.8

DescriptionCVE.org

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, where a malicious guest could cause heap memory access after the memory is freed. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, or information disclosure.

AnalysisAI

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, where a malicious guest could cause heap memory access after the memory is freed. [CVSS 7.8 HIGH]

Technical ContextAI

Classified as CWE-416 (Use After Free). NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, where a malicious guest could cause heap memory access after the memory is freed. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, or information disclosure.

Affected ProductsAI

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, where a malicious guest could cause heap memory access after the memory is f