EternalBlue - Vulnerability

Threat entity extracted from intelligence sources

Frequency
15
occurrences
First Seen
March 3, 2026
Last Seen
July 19, 2026

EternalBlue is a vulnerability tracked by ThreatCluster, appearing in 8 threat clusters built from 15 intelligence report mentions.

EternalBlue is a vulnerability tracked across 8 threat clusters and 15 intelligence report mentions on ThreatCluster. First observed March 3, 2026; most recent activity July 19, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • WannaCry Ransomware: Infection, Impact, and Prevention — Cyberint · July 19, 2026
  • Operation Escaneo Signals Shift in LatAm Threat Landscape — Darkreading · June 18, 2026
  • LATAM Infrastructure Hit by Fortinet and Ivanti Exploits — Infosecurity-Magazine · June 18, 2026
  • Operation Escaneo: Infrastructure Exposure, TTP Analysis, and Attribution Assessment of an ... — Cloudsek · June 17, 2026
  • Microsoft Patch Tuesday June 2026: Record 208 CVEs, Wormable Kernel Flaw Demands Patching — Techtimes · June 10, 2026
  • Ghost hackers: the cybersecurity mystery that nobody has solved — Techcrunch · May 26, 2026
  • Sandworm Activity In Industrial Environments What The Data Reveals — www.nozominetworks.com · May 14, 2026
  • Sandworm uses pre-compromised OT environments instead of zero — Industrialcyber.Co · May 14, 2026

Frequently asked questions

What is EternalBlue?

EternalBlue is a vulnerability tracked by ThreatCluster, appearing in 8 threat clusters built from 15 intelligence report mentions.

Is EternalBlue still active?

The most recent intelligence report mentioning EternalBlue on ThreatCluster is dated July 19, 2026. Activity was first observed March 3, 2026, giving a tracked span from then to July 19, 2026.

What is EternalBlue associated with?

Across ThreatCluster reporting, EternalBlue most frequently co-occurs with Apt44, Mexican Mafia, MexicanMafia, Pancho Villa, PanchoVilla, among 12 tracked related entities.

What are the latest developments involving EternalBlue?

The most significant recent cluster is “Operation Escaneo Targets Latin American Critical Infrastructure” (4 articles · Updated June 18, 2026). EternalBlue appears across 8 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on EternalBlue?

EternalBlue appears in 15 intelligence report mentions across 8 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown