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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since March 3, 2022.

Known ransomware use

CVE-2018-8581

Microsoft Exchange Server Privilege Escalation Vulnerability

Microsoft · Exchange Server

Added to KEV March 3, 2022

Alert details

Source feed
CISA KEV
CVE ID
CVE-2018-8581
Affected products
Exchange Server · Microsoft Exchange Server · Microsoft

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.

What it means for your business

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2018-8581). 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. CISA remediation due date: 2022-03-17. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: March 17, 2022

Sources

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