CVE-2018-8378

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka "Microsoft Office Information Disclosure Vulnerability." This affects Word, Microsoft SharePoint Server, Microsoft Office Word Viewer, Microsoft Excel Viewer, Microsoft SharePoint, Microsoft Office.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125 CWE-908

Affected software

Vendor	Product	Versions
Microsoft	Word	Automation Services on Microsoft SharePoint Server 2010 Service Pack 2
Microsoft	Microsoft SharePoint Server	2013 Service Pack 1
Microsoft	Microsoft Office Word Viewer	Microsoft Office Word Viewer
Microsoft	Microsoft Excel Viewer	2007 Service Pack 3
Microsoft	Microsoft SharePoint	Enterprise Server 2013 Service Pack 1; Enterprise Server 2016
Microsoft	Microsoft Office	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); 2016 (64-bit edition); 2016 Click-to-Run (C2R) for 32-bit editions; 2016 Click-to-Run (C2R) for 64-bit editions; Web Apps 2010 Service Pack 2; Web Apps 2013 Service Pack 1

References

http://www.securityfocus.com/bid/104996Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8378Patch, Vendor Advisory
http://www.securityfocus.com/bid/104996Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8378Patch, Vendor Advisory

Timeline

Published: Aug 15, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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