CVE-2018-8310

Microsoft Office Tampering Vulnerability

CVE-2018-8310 is fixed in 9 products on 1 platform, first by KB4022200, released July 10, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Low
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0588
93rd percentile

<p>A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails. An attacker could exploit the vulnerability by sending a specially crafted email and attachment to a victim, or by hosting a malicious .eml file on a web server.</p> <p>The attacker who successfully exploited the vulnerability could then embed untrusted TrueType fonts in the body of an email. This behavior could be combined with other exploits to further compromise a user's system.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Outlook handles attachments.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Office 2010 Service Pack 2 (32-bit editions) KB4022200 Jul 10, 2018
Microsoft Office 2010 Service Pack 2 (64-bit editions) KB4022200 Jul 10, 2018
Microsoft Word 2010 Service Pack 2 (32-bit editions) KB4022202 Jul 10, 2018
Microsoft Word 2010 Service Pack 2 (64-bit editions) KB4022202 Jul 10, 2018
Microsoft Word 2013 RT Service Pack 1 KB4022224 Jul 10, 2018
Microsoft Word 2013 Service Pack 1 (32-bit editions) KB4022224 Jul 10, 2018
Microsoft Word 2013 Service Pack 1 (64-bit editions) KB4022224 Jul 10, 2018
Microsoft Word 2016 (32-bit edition) KB4022218 Jul 10, 2018
Microsoft Word 2016 (64-bit edition) KB4022218 Jul 10, 2018

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