Microsoft patches Exchange Server zero-day exploited in attacks

Microsoft has patched an actively exploited Exchange Server vulnerability that allows threat actors to execute arbitrary JavaScript code in cross-site scripting (XSS) attacks targeting Outlook Web Access users. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-patches-exchange-server-zero-day-exploited-in-attacks/

Posted from: this blog via Microsoft Power Automate.