Reseller News Join Reseller News Sign up to gain exclusive access to email subscriptions, event invitations, competitions, giveaways, and much more.Sign up now Microsoft releases interim mitigation tool for Exchange vulnerability Mitigates the CVE-2021-26855 vulnerability. Credit: Supplied Microsoft has released an interim mitigation tool to automatically mitigate one vulnerability in the attack chain associated with the zero-day Exchange Server exploits the vendor disclosed earlier this month. The Exchange On-premises Mitigation Tool, or EOMT, aims to protect and mitigate against CVE-2021-26855 on Exchange servers prior to patching and was designed for those who are either unfamiliar with the updating process or have not applied the update yet.