Laundry Bear's new Microsoft Exchange attack triggers on email open (CVE-2026-42897)
KEVActive exploitation (KEV)
CISA KEV means this flaw has been seen exploited in real attacks — not predicted, observed. Treat it as urgent regardless of its score.
What to do
- On CISA KEV — actively exploited. Patch immediately.
[Mise à jour du 11 juin 2026] Le 9 juin 2026, Microsoft a publié des versions correctives. [Publication initiale] Le 14 mai 2026, Microsoft a publié un avis de sécurité concernant la vulnérabilité CVE-2026-42897 affectant Exchange Server. Elle permet à un attaquant non authentifié de provoquer...
CVE · detail
- CVE-2026-42897nvd ↗KEVEPSS 71%
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