A Federal Aviation Administration employee in New Hampshire is accused of sending an email to the White House threatening to kill President Donald Trump after using his work computer to ...

Microsoft confirmed on May 14 that CVE-2026-42897 — a cross-site scripting flaw in the Outlook Web Access component of Exchange Server 2016, 2019, and Subscription Edition — is under active ...

A newly discovered zero-day vulnerability in Microsoft Exchange Server has experts declaring an emergency and urging CSOs to ...

On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow ...

Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come ...

Ghostwriter’s March 2026 Ukraine attacks use PDF lures and geofencing to deploy Cobalt Strike on government targets.

A zero-day vulnerability exists in Microsoft Exchange, which attackers are already exploiting. Admins should act quickly.

Microsoft on Thursday disclosed a zero-day vulnerability in Exchange that's under active exploitation, but four days later customers are still awaiting a patch. The zero-day, tracked as CVE-2026-42897 ...

The Tycoon2FA phishing kit now supports device-code phishing attacks and abuses Trustifi click-tracking URLs to hijack ...

Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.

Microsoft Exchange Servers are under threat from a zero-day vulnerability, exploited via crafted emails. With no official ...

Hackers are already exploiting a cross-site scripting flaw in Microsoft Exchange Server, leaving organisations running ...