All vulnerabilities
CVE-2018-8581

Microsoft Exchange Server Privilege Escalation Vulnerability

Microsoft Exchange ServerApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.4High
ExploitationExploited in the wildAdded to KEV 3 Mar 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)27.4%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline17 Mar 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 14 Nov 2018, 01:00 UTCPublishedCVE List
  2. 3 Mar 2022Added to CISA KEVCISA KEV

Description

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.

Text from CVE List

Affected versions 4

  • Microsoft Exchange Serveraffected: 2010CVE List
  • Microsoft Exchange Serveraffected: 2013CVE List
  • Microsoft Exchange Serveraffected: 2016CVE List
  • Microsoft Exchange Serveraffected: 2019CVE List

References 3