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 ...
The Tycoon2FA phishing kit now supports device-code phishing attacks and abuses Trustifi click-tracking URLs to hijack ...
A zero-day vulnerability exists in Microsoft Exchange, which attackers are already exploiting. Admins should act quickly.
Ghostwriter’s March 2026 Ukraine attacks use PDF lures and geofencing to deploy Cobalt Strike on government targets.
Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.
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Microsoft warns of a new zero-day vulnerability that leaves Exchange open to hackers.
A security flaw in “Claude in Chrome” enables any Chrome extension, including those without permissions, to execute ...
Microsoft warned Exchange Server customers about critical OWA vulnerability CVE-2026-42897 affecting on-premises deployments.
Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.
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