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CVE-2021-26858

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score66.8330%
EPSS Percentile90.49th
Published2021年3月3日
Last Modified2025年12月18日

Vulnerability Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected Platforms (CPE)

📦
Microsoft

Exchange Server

= 2010
📦
Microsoft

Exchange Server

= 2013
📦
Microsoft

Exchange Server

= 2013
📦
Microsoft

Exchange Server

= 2013
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019

References & Advisories

🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26858
🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26858
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26858

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