CVE-2018-8581

7.4 highKEVEPSS 28%

An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.

Severity

CVSS 3.1

7.4 high

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 28% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2022-03-03, due 2022-03-17, known ransomware use
Published: 2018-11-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:exchange_server

References

http://www.securityfocus.com/bid/105837
http://www.securitytracker.com/id/1042141
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8581
http://www.securityfocus.com/bid/105837
http://www.securitytracker.com/id/1042141

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