netVigilance Vulnerability intelligence since 2004
CVE-2018-8581 · netVigilance record NV22-0156

Microsoft Exchange Server Privilege Escalation

past due ransomware

What to do

Apply updates per vendor instructions.

CISA deadline 2022-03-17 · passed 4 years 5 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

A privilege escalation vulnerability exists in Microsoft Exchange Server. An attacker who successfully exploited this vulnerability could attempt to impersonate any other user of the Exchange server.

Who is affected

Microsoft Exchange Server. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 5 months ago

Sources