CVE-2020-17144
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS
—
No CVSS
EPSS
36.5%
p98
KEV
YES
Nov 3, 2021
Exploit Today
80
0-100
Published: — · Last modified: —
36.5%EPSS · 30 days36.5%
2026-06-302026-07-16
Product
Microsoft / Exchange Server
Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
May 3, 2022
Known ransomware use
No
Summary description
Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-17144
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