What is CVE-2025-33243?

CVE-2025-33243 is a high-severity vulnerability in NVIDIA Nemo, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-02-18.

How severe is CVE-2025-33243?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in NVIDIA Nemo

CVE-2025-33243

NVIDIA NeMo Framework contains a vulnerability where an attacker could cause remote code execution in distributed environments. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.

Vulnerability class: Insecure Deserialization

Published 2026-02-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

NVIDIA Nemo
NVIDIA Nemo Framework — versions All versions prior to 2.6.1

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

nvd.nist.gov/vuln/detail/CVE-2025-33243 (US Government Resource, VDB Entry)
www.cve.org/CVERecord (Third Party Advisory)
nvidia.custhelp.com/app/answers/detail/a_id/5762 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-33243?: CVE-2025-33243 is a high-severity vulnerability in NVIDIA Nemo, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-02-18.
How severe is CVE-2025-33243?: High severity. CVSS v3 base score is 7.8 out of 10.