The Hacker NewsAug 3, 2026critical⚡ Weekly Recap: Rogue AI Models, $88M Bitcoin Theft, Water15 min readbreachcve-2026-428972
Help Net SecurityAug 2, 2026criticalWeek in review: Claude breached three companies during tests, AD CS domain-takeover PoC released15 min readbreachcve-2026-203164
Ars Technica · SecurityJul 30, 2026criticalMax-severity Exchange server flaw under active exploitation by Kremlin hackersExploited2 min readcve-2026-42897exploit1
The Hacker NewsJul 30, 2026criticalRussian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation6 min readbreachcve-2025-663763
Help Net SecurityJul 30, 2026criticalLaundry Bear's new Microsoft Exchange attack triggers on email open (CVE-2026-42897)3 min readcve-2026-42897vulnerability1
Infosecurity MagazineJul 29, 2026criticalRussianTA488 Returns With Persistent Outlook Web Access Attack3 min readcve-2026-42897exploit1
The RecordJul 29, 2026criticalLaundry Bear’s webmail hackers had more in store after February, report says2 min readbreachcve-2026-428973
The Hacker NewsJun 10, 2026highOn-Prem Microsoft Exchange Server CVE-2026Exploited3 min readcve-2026-42897exploit3
Help Net SecurityJun 10, 2026criticalJune 2026 Patch Tuesday forecast: Where are the CVEs?4 min readcve-2026-41091cve-2026-428972
The Hacker NewsMay 26, 2026criticalMicrosoft Warns of Two Actively Exploited Defender VulnerabilitiesExploited4 min readcve-2026-33825cve-2026-410912
The Hacker NewsMay 19, 2026critical⚡ Weekly Recap: Exchange 0-Day, npm Worm, Fake AI Repo, Cisco Exploit and MoreExploited15 min readcve-2026-20127cve-2026-201821
Help Net SecurityMay 17, 2026criticalWeek in review: Cisco patches SD-WAN 0-day, unpatched Microsoft Exchange Server flaw exploitedExploited15 min readcve-2026-20182cve-2026-419405
Security AffairsMay 16, 2026criticalU.S. CISA adds a flaw in Microsoft Exchange Server to its Known Exploited Vulnerabilities catalogExploited3 min readcve-2026-42897exploit1
Security AffairsMay 15, 2026criticalCVE-2026-42897: Microsoft confirms active exploitation of Exchange Server zeroExploited2 min readcve-2023-21529cve-2026-428975