CVE-2018-8159

5.4 mediumEPSS 3.5%

An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.

Severity

CVSS 3.0

5.4 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS: 3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2018-05-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:exchange_server

References

http://www.securityfocus.com/bid/104056
http://www.securitytracker.com/id/1040850
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8159
http://www.securityfocus.com/bid/104056
http://www.securitytracker.com/id/1040850

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