CVE-2018-8378

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 23.00% Top 5%
Vendor Advisory microsoft.com
Affected: Microsoft Word
Affected: Microsoft Microsoft SharePoint Server
Affected: Microsoft Microsoft Office Word Viewer
Affected: Microsoft Microsoft Excel Viewer
Affected: Microsoft Microsoft SharePoint
Affected: Microsoft Microsoft Office
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/104996 third party advisory vdb entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8378 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-8378?
CVE-2018-8378 has been scored as a medium severity vulnerability.
How to fix CVE-2018-8378?
To fix CVE-2018-8378, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-8378 being actively exploited in the wild?
It is possible that CVE-2018-8378 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-8378?
CVE-2018-8378 affects Microsoft Word, Microsoft Microsoft SharePoint Server, Microsoft Microsoft Office Word Viewer, Microsoft Microsoft Excel Viewer, Microsoft Microsoft SharePoint, Microsoft Microsoft Office.
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