CVE-2025-39764 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
February 18, 2026
Last Seen
July 21, 2026

CVE-2025-39764 is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 3 intelligence report mentions.

CVE-2025-39764 is a vulnerability tracked across 2 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed February 18, 2026; most recent activity July 21, 2026.

Related Threat Clusters

  • Critical Vulnerabilities in Linux Kernel Affect AMD Processors

    Multiple vulnerabilities have been identified in the Linux kernel affecting AMD processors, specifically in the floating point divider unit and Zen 2 and Zen 5 architectures. Local attackers could exploit these…

    39 articles · Updated July 20, 2026
  • Updates on CVE-2024-44944 and CVE-2025-39764 in Netfilter

    CVE-2024-44944, published on August 30, 2024, addresses a vulnerability in netfilter's ctnetlink that involves a helper function for calculating expect IDs. CVE-2025-39764, published on September 11, 2025, pertains to…

    2 articles · Updated February 21, 2026

Recent Intelligence Reports

  • Ubuntu 20.04 Linux Kernel Critical Privilege Escalation Issues USN-8576 — Linuxsecurity · July 21, 2026
  • Ubuntu 24.04 LTS Linux-GCP FIPS Major Threat Update 2026-8574 — Linuxsecurity · July 21, 2026
  • CVE-2025-39764 netfilter: ctnetlink: remove refcounting in expectation dumpers — Api.Msrc.Microsoft · February 18, 2026

Related Entities

Data Breach Google Cloud Platform CVE-2022-49803 CVE-2022-49961 CVE-2022-50073 CVE-2022-50116 CVE-2022-50552 CVE-2023-45896 CVE-2023-52682 CVE-2023-52737 CVE-2023-53545 CVE-2023-53596

Frequently asked questions

What is CVE-2025-39764?

CVE-2025-39764 is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 3 intelligence report mentions.

Is CVE-2025-39764 still active?

The most recent intelligence report mentioning CVE-2025-39764 on ThreatCluster is dated July 21, 2026. Activity was first observed February 18, 2026, giving a tracked span from then to July 21, 2026.

What is CVE-2025-39764 associated with?

Across ThreatCluster reporting, CVE-2025-39764 most frequently co-occurs with Data Breach, Google Cloud Platform, CVE-2022-49803, CVE-2022-49961, CVE-2022-50073, among 12 tracked related entities.

What are the latest developments involving CVE-2025-39764?

The most significant recent cluster is “Critical Vulnerabilities in Linux Kernel Affect AMD Processors” (39 articles · Updated July 20, 2026). CVE-2025-39764 appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on CVE-2025-39764?

CVE-2025-39764 appears in 3 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown