Microsoft IIS — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
7
occurrences
First Seen
December 16, 2025
Last Seen
June 3, 2026

Microsoft IIS is a technology platform tracked across 4 threat clusters and 7 intelligence report mentions on ThreatCluster. First observed December 16, 2025; most recent activity June 3, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • New 'HTTP/2 Bomb' DoS attack crashes web servers in under a minute — Bleepingcomputer · June 3, 2026
  • HTTP/2 Bomb Remote DoS Exploit Impacts nginx, Apache, IIS, Envoy, and Cloudflare Pingora — Gbhackers · June 3, 2026
  • HTTP/2 Bomb — Remote DoS Exploit Hits nginx, Apache, IIS, Envoy, and Cloudflare Pingora — Cybersecuritynews · June 3, 2026
  • PTC Warns of Critical Windchill, FlexPLM Flaw Enabling Remote Code Execution — Thecyberexpress · March 25, 2026
  • Attackers Targeting Construction Firms Exploiting Mjobtime App Vulnerability Using MSSQL and IIS POST Request — Cybersecuritynews · January 26, 2026
  • China's Ink Dragon hides out in European government networks — Theregister · December 17, 2025
  • China's Ink Dragon hides out in European government networks — Theregister · December 16, 2025

CVSS v3.1 Breakdown