All articles tagged with #localhost
Originally Published 2 months ago — by BleepingComputer
Recent Windows 11 updates (KB5066835 and KB5065789) have caused issues with localhost (127.0.0.1) HTTP/2 connections, affecting various applications. The recommended fix is to uninstall these updates, as registry tweaks and updates have not been reliably effective. Microsoft has been contacted for comment.
Originally Published 2 months ago — by theregister.com
Microsoft's October 2025 Windows 11 update (KB5066835) has caused a critical bug that breaks localhost functionality for developers, traced to HTTP.sys, with workarounds including uninstalling the update or disabling HTTP/2. Microsoft has not yet acknowledged the issue, which seems to be related to system configuration conflicts rather than a universal bug, and the problem is causing widespread frustration among developers.
Originally Published 7 months ago — by theregister.com
Security researchers revealed that Meta and Yandex used native Android apps to listen on localhost ports for tracking purposes, linking web browsing data to user identities and bypassing privacy protections. Meta has paused this tracking technique following the disclosure, and updates to browser security measures have been implemented to mitigate such methods. The companies are in discussions with Google to resolve policy concerns.