The Register

Russian spies take their half-click email attack from Zimbra to Outlook

PhishingHighCVE-2026-42897email attack

Russian espionage group TA488 expanded its half-click phishing attacks from Zimbra to Microsoft Outlook Web Access, exploiting CVE-2026-42897 (XSS flaw in Exchange Server OWA). The attack requires minimal user interaction, posing significant risk to enterprise email environments.

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https://www.theregister.com/security/2026/07/30/russian-spies-take-their-half-click-email-attack-from-zimbra-to-outlook/5281033