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Microsoft resolved an issue that caused the new Outlook email client to crash when users clicked a button designed to switch back to classic Outlook.

Three security bypasses have been discovered in Ubuntu Linux's unprivileged user namespace restrictions, which could be enable a local attacker to exploit vulnerabilities in kernel components.

A breach at Oracle Health impacts multiple US healthcare organizations and hospitals after a threat actor stole patient data from legacy servers.

Microsoft has fixed a known issue that caused problems with Remote Desktop and RDS connections after installing Windows updates released since January 2025.

The legacy domain for Microsoft Stream was hijacked to show a fake Amazon site promoting a Thailand casino, causing all SharePoint sites with old embedded videos to display it as spam.

Ten npm packages were suddenly updated with malicious code yesterday to steal environment variables and other sensitive data from developers' systems.

A China-linked cyberespionage group known as 'FamousSparrow' was observed using a new modular version of its signature backdoor 'SparrowDoor' against a US-based trade organization.

Microsoft has released the KB5053656 preview cumulative update for Windows 11 24H2 with 38 changes, including real-time translation on AMD and Intel-powered Copilot+ PCs and fixes for authentication and blue-screen issues.

In May, Microsoft plans to roll out a new Windows scheduled task that launches automatically to help Microsoft Office apps load faster.

A new report sheds light on the most targeted WordPress plugin vulnerabilities hackers used in the first quarter of 2025 to compromise sites.