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

The Russian espionage crew that turned simply reading an email into a security risk has expanded beyond Zimbra, with Proofpoint saying it's now pulling the same half-click trick against Microsoft Outlook Web Access. Proofpoint says the cyber group it tracks as TA488, or "Laundry Bear," began exploiting CVE-2026-42897, a cross-site scripting flaw in the Outlook Web Access (OWA) component of on-premises Exchange Server, a day before researchers and government agencies exposed the group's abuse of