Risk Letters

Exploited vulnerability

CVE-2018-8581

TLP:CLEAR

Microsoft Exchange Server Privilege Escalation Vulnerability

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.

Facts

  • Vendor: Microsoft
  • Product: Exchange Server
  • CVSS: 7.4
  • EPSS (probability of exploitation within 30 days): 27.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 March 2022
  • First known exploitation: 3 March 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 17 March 2022
  • First seen by Risk Letters: 3 March 2022

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD