What’s Vulnerable › Vulnerabilities

CVE-2018-8310

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-07-11 · updated 2026-06-17

Description

A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails, aka "Microsoft Office Tampering Vulnerability." This affects Microsoft Word, Microsoft Office.

Affected products

• Microsoft Office: 2010-sp2, 2016
• Microsoft Word for Android: 2010-sp2, 2013-sp1, 2016
• Microsoft Office: 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2016 Click-to-Run (C2R) for 32-bit editions, 2016 Click-to-Run (C2R) for 64-bit editions
• Microsoft Word for Android: 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2016 (32-bit edition) (+1)

References

• http://www.securityfocus.com/bid/104615
• http://www.securitytracker.com/id/1041274
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8310
• http://www.securityfocus.com/bid/104615
• http://www.securitytracker.com/id/1041274
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8310

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