What’s Vulnerable › Vulnerabilities

CVE-2018-8522

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-11-14 · updated 2026-06-17

Description

A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka "Microsoft Outlook Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8524, CVE-2018-8576, CVE-2018-8582.

Affected products

• Microsoft Office: 2019
• Microsoft Office 365 ProPlus: all versions
• Microsoft Outlook: 2010-sp2, 2013-sp1, 2016
• Microsoft Outlook Rt: 2013-sp1

References

• http://www.securityfocus.com/bid/105820
• http://www.securitytracker.com/id/1042110
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8522
• http://www.securityfocus.com/bid/105820
• http://www.securitytracker.com/id/1042110
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8522

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