19th May 2026 Cyber Update: Exchange Zero-Day Puts On-Prem Mail Servers Back in the Spotlight
Microsoft has confirmed active exploitation of CVE-2026-42897, putting exposed on-prem Exchange and Outlook Web Access environments back under pressure.
Cybersecurity firm Tenable has confirmed it was a victim of a major supply chain attack that compromised customer data. The breach originated from a third-party vendor, Salesloft Drift, and has impacted more than 700 organisations.
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