What’s Vulnerable › Vulnerabilities

CVE-2018-8159

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-09 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• Microsoft Exchange Server: 2013-cumulative_update_19, 2013-cumulative_update_20, 2016-cumulative_update_8, 2016-cumulative_update_9
• Microsoft Exchange Server: 2013 Cumulative Update 19, 2013 Cumulative Update 20, 2016 Cumulative Update 8, 2016 Cumulative Update 9

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
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8159

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