CVE-2021-26857
CVSS 3.1 Score 7.8 of 10 (high)
Details
Published Mar 3, 2021
Updated: Jul 25, 2024
CWE ID 502
Summary
CVE-2021-26857 is a remote code execution vulnerability affecting Microsoft Exchange Servers. Attackers can exploit this flaw by sending specially crafted emails to targeted users. Successful exploitation allows the attacker to execute arbitrary code on the server, potentially leading to unauthorized access or data theft. Microsoft strongly recommends installing the available patches to mitigate this risk. This vulnerability has been actively exploited in the wild, highlighting the urgency for affected organizations to apply the necessary updates.
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Affected Products
- Microsoft Exchange Server
- Microsoft Exchange
Affected Vendors
- Microsoft
- HP
Advisories, Assessments, and Mitigations
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