Skip to content
Briefings are running a touch slower this week while we rebuild the foundations.See roadmap
Timeline

Microsoft Exchange Server

Microsoft's on-premises enterprise mail server product; CVE-2026-42897 in its Outlook Web Access component was actively exploited from mid-May 2026 with no patch available.

1 of 1 entries (1 events, 0 interactions)

Filters
#415 May

Exchange repeats the CISA deadline-before-patch trap

Cybersecurity: Threats and Defences