What is CVE-2026-24186?

CVE-2026-24186 is a high-severity vulnerability in Apple Macos, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-04-28.

How severe is CVE-2026-24186?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Apple Macos

CVE-2026-24186

NVIDIA FLARE SDK contains a vulnerability in FOBS, where an attacker may cause deserialization of untrusted data by sending a malicious FOBS- encoded message. A successful exploit of this vulnerability might lead to code execution.

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (38.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Macos
Linux Linux_kernel
Nvidia Flare Sdk — versions All versions prior to 2.7.2
Nvidia Nvflare

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

psirt@nvidia.com (US Government Resource)
psirt@nvidia.com (Vendor Advisory)
psirt@nvidia.com (Third Party Advisory)

Frequently asked questions

What is CVE-2026-24186?: CVE-2026-24186 is a high-severity vulnerability in Apple Macos, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-04-28.
How severe is CVE-2026-24186?: High severity. CVSS v3 base score is 8.8 out of 10.