Microsoft Patch Tuesday, March 2026 Edition

2026-03-11T13:23:49Z9b5c98888375d46afac3d760183da95cf64dc8dfa90532771bc0f7c45baf7cd7
ai-assistantsbadboxbotmaster-dortbotnetcredential-theftcybercrimeddosdoxingi2pinsider-threatiotkimwolfmfa-bypassmicrosoftpatch-tuesdayphishingphishing-as-a-servicestarkillerswattingvulnerabilities

What happened

This collection highlights March 2026 security developments: Microsoft’s Patch Tuesday fixes 77 vulnerabilities across Windows and other products (no new zero-days reported this month, though some patches warrant prompt attention). A large IoT botnet called Kimwolf (≈2M infected devices) continues to fuel massive DDoS, abuse I2P for resiliency, spread into corporate and government networks, and its alleged operator (“Dort”) has engaged in harassment and swatting. Related botnet activity includes links to Badbox 2.0. A new phishing-as-a-service called “Starkiller” proxies real login pages and “

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
krebs_on_security
Record identifier
9b5c98888375d46afac3d760183da95cf64dc8dfa90532771bc0f7c45baf7cd7
Enrichment time
2026-03-11T13:23:49Z
AI-assisted enrichment
Yes

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