CVE-2020-16875

Microsoft Exchange Server Remote Code Execution Vulnerability

HIGH
8.4
CVSS Score
Published: September 11, 2020 at 05:08 PM UTC
Updated: June 17, 2026 at 02:58 AM UTC
1 product affected across 1 vendorExchange Server

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Severity
HIGH8.4
Exploit prediction
EPSS 46%

Description

<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.</p> <p>An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. Exploitation of the vulnerability requires an authenticated user in a certain Exchange role to be compromised.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Exchange handles cmdlet arguments.</p>

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Affected range stops below publication, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

8.4HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74CWE-269

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