HIGH 7.8 Microsoft PoC
CVE-2021-26857
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Security Update 2021-Mar: Microsoft Exchange Server Remote Code Execution Vulnerability
Affected Products
- Microsoft Exchange Server 2016 Cumulative Update 19
- Microsoft Exchange Server 2019 Cumulative Update 8
- Microsoft Exchange Server 2019
- Microsoft Exchange Server 2013 Cumulative Update 22
- Microsoft Exchange Server 2019 Cumulative Update 2
- Microsoft Exchange Server 2016 Cumulative Update 13
- Microsoft Exchange Server 2013 Cumulative Update 23
- Microsoft Exchange Server 2019 Cumulative Update 3
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26857
- https://nvd.nist.gov/vuln/detail/CVE-2021-26857
This high severity vulnerability with a CVSS score of 7.8 was published on 2021-03-09 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 94.0% (top 0% of all CVEs by exploitation probability). Affected: Microsoft Exchange Server 2016 Cumulative Update 19, Microsoft Exchange Server 2019 Cumulative Update 8, Microsoft Exchange Server 2019 and 5 more.
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