Microsoft Defender Antimalware Platform — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
April 14, 2026
Last Seen
May 21, 2026

Related Threat Clusters

Recent Intelligence Reports

  • Microsoft Defender Zero-Days Patched: RedSun, UnDefend Exploits Already Used in Live Intrusions — Techtimes · May 21, 2026
  • Attacked MS Defender vulnerabilities and BitLocker protection measures — Heise.De · May 21, 2026
  • BlueHammer — cvereports.com · May 13, 2026
  • Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero — Bleepingcomputer · April 14, 2026

CVSS v3.1 Breakdown