Microsoft warns of Exchange zero-day flaw exploited in attacks

On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow threat actors to execute arbitrary code via cross-site scripting (XSS) while targeting Outlook on the web users. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-warns-of-exchange-zero-day-flaw-exploited-in-attacks/

Posted from: this blog via Microsoft Power Automate.