CVE-2025-21727 is a vulnerability tracked by ThreatCluster, appearing in 3 threat clusters built from 3 intelligence report mentions.
CVE-2025-21727 is a vulnerability tracked across 3 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed November 19, 2025; most recent activity February 18, 2026.
Microsoft has published information regarding two critical vulnerabilities identified as CVE-2025-21715 and CVE-2025-21727. Both vulnerabilities involve use-after-free (UAF) issues in the dm9000 and padata drivers,…
A series of vulnerabilities in the Linux kernel, identified by researchers Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi, allow attackers in guest virtual machines to potentially expose sensitive…
A vulnerability in the Linux kernel, identified as VMSCAPE, allows attackers in guest VMs to potentially expose sensitive information from the host operating system. Discovered by researchers Jean-Claude Graf, Sandro…
CVE-2025-21727 is a vulnerability tracked by ThreatCluster, appearing in 3 threat clusters built from 3 intelligence report mentions.
The most recent intelligence report mentioning CVE-2025-21727 on ThreatCluster is dated February 18, 2026. Activity was first observed November 19, 2025, giving a tracked span from then to February 18, 2026.
Across ThreatCluster reporting, CVE-2025-21727 most frequently co-occurs with Data Breach, Amazon Web Services, Google Cloud Platform, Ubuntu, CVE-2023-52854, among 12 tracked related entities.
The most significant recent cluster is “Multiple CVEs Addressed in Microsoft Security Updates” (5 articles · Updated February 18, 2026). CVE-2025-21727 appears across 3 threat clusters in total, listed above with sources.
CVE-2025-21727 appears in 3 intelligence report mentions across 3 deduplicated threat clusters, aggregated from 17,000+ monitored sources.