Microsoft Exchange Server

The National Security Agency (NSA) recently issued a warning to private industry about four zero-day vulnerabilities in Microsoft Exchange Server versions 2013, 2016, and 2019 used on-premises. The NSA recommends immediate patching of the vulnerabilities before they are exploited by threat actors.

The vulnerabilities could lead to remote execution of code that would allow threat

In a rare sharing of information about vulnerabilities in a blog post, Microsoft this week urged customers to download software patches to Microsoft Exchange Server after it detected “multiple 0-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks.”

According to Microsoft’s Threat Intelligence Center, “[W]e are sharing