Exposures › CVE-2021-26858

CVE-2021-26858

Severity

critical · on CISA KEV actively exploited

Source

CISA-KEV · kev

Published

2021-11-03

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-26858

⚡ RCE ⌖ exploited in the wild shame 95/100 ransomwarerceexploited-in-wild

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

Players implicated

Microsoft · vendor Exchange Server · product

Description

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

Affected FedRAMP products 4 in the catalog

Product	Provider	Status	Match
Azure Commercial Cloud	Microsoft	Authorized	vendor-exact · 0.90
Azure Government (includes Dynamics 365)	Microsoft	Authorized	vendor-exact · 0.90
Microsoft Office 365 GCC High	Microsoft	In Process	vendor-exact · 0.90
Office 365 Multi-Tenant & Supporting Services	Microsoft	Authorized	vendor-exact · 0.90