CVE-2021-26858High· 7.8▾ Abyssal⚠ Exploited in the wild0dayMicrosoft Exchange Server Remote Code Execution Vulnerability
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 42.9 · likelihood 18.7 · exploitation 25 · ransomware 5
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Exploit-prediction probability, daily snapshots since Aug 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Federal remediation due May 3, 2022
Last analysed / modified upstream
90%
90% → 94%
Added to the CISA catalog on Nov 3, 2021. Federal remediation due May 3, 2022. View catalog ↗
Microsoft Exchange Server Remote Code Execution Vulnerability
exchange_server = 2010exchange_server = 2013exchange_server = 2016exchange_server = 2019Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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