Microsoft Exchange Server Vulnerabilities: NSA, Microsoft Discover 4 New Issues

Microsoft disclosed and issued patches for four newly discovered Exchange Server vulnerabilities today. Three of the vulnerabilities were critical.

The NSA (National Security Agency) urged users to apply the patches, and Microsoft published an FAQ about the issues.

These newly disclosed vulnerabilities are not related to the Hafnium Exchange Server vulnerability disclosures from March 2021. Also, Microsoft has not seen the new vulnerabilities used in attacks against customers, Microsoft said in a blog.

Joe Panettieri

Joe Panettieri is co-founder & editorial director of MSSP Alert and ChannelE2E, the two leading news & analysis sites for managed service providers in the cybersecurity market.