Microsoft Exchange Online outage causes email delays, failures
2026-06-02T19:23:30Z•4d5a15ccc3ebf434e0c49a979fd29b394d394921e8e75b160c88a7a365947c38
active-exploitationai-driven-fraudandroid-zero-daycisaclickfixcredential-stealerdrive-surgeemail-outageexchange-onlinefakeupdateinstagram-account-takeovermeta-ai-abusemfa-outagemiasmamicrosoftnpm-compromiseoffice-365oracle-weblogicpatchingrcered-hatshai-huludsupply-chain-compromiseweb-compromisewindows-netlogon
What happened
Multiple high-impact security and availability incidents reported: Microsoft is experiencing widespread Exchange Online mail-flow delays and separate Office/Teams and MFA/MySignIn outages affecting file access and authentication. Attackers have abused Meta's AI support tools to perform Instagram account takeovers. CISA warned that a two‑year‑old, high‑severity Oracle WebLogic vulnerability is being actively exploited, and a recently patched critical Windows Netlogon RCE is also now exploited in the wild. Google released June 2026 Android patches addressing 124 flaws including one actively‑ex-0
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- bleepingcomputer
- Record identifier
- 4d5a15ccc3ebf434e0c49a979fd29b394d394921e8e75b160c88a7a365947c38
- Enrichment time
- 2026-06-02T19:23:30Z
- AI-assisted enrichment
- Yes
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