security updates

Microsoft is blocking this month's Windows 11 security updates on some Dell devices due to shutdowns and performance issues. The issue affects certain Dell PCs, causing them to shut down and experience performance problems.

Microsoft has resolved a problem causing June 2026 security updates to fail on Windows Server 2016 systems that were not up to date. The fix addresses update failures on outdated installations of the operating system.

Crypto hack losses exceeded $630 million in April through over 25 incidents, with DeFi platforms being the primary target despite ongoing security improvements. This marks the highest monthly loss since February 2025, highlighting persistent vulnerabilities in the crypto ecosystem.

cPanel has released security updates to address a critical authentication vulnerability affecting all supported versions of its control panel software. The flaw could allow attackers to gain unauthorized access, and users are urged to update immediately to the specified patched versions.

Apple has released out-of-band security updates for iPhone and iPad devices to fix a Notification Services flaw. The bug allowed notifications marked for deletion to remain stored on the device, which could pose a security risk.

Cisco has released security updates to patch four critical vulnerabilities in its Webex Services platform, including a fixed improper certificate validation flaw that requires further customer action to address.

Microsoft will provide extended security updates for older versions of Exchange Server and Skype for Business Server, acknowledging that some customers are not yet ready to migrate to newer products. The company encourages migration but offers financial support for those who cannot upgrade immediately.