Entries by Rebecca Mybrand

0-days in Microsoft exchange servers

Published: 2021-03-02CVE-2021-26855CVE-2021-26857CVE-2021-26858 CVE-2021-27065  “Microsoft has detected multiple 0-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks. In the attacks observed, the threat actor used these vulnerabilities to access on-premises Exchange servers which enabled access to email accounts, and allowed installation of additional malware to facilitate long-term access to […]