CVE-2018-8378

high-risk
Published 2018-08-15

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.

Do I need to act?

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26.9% chance of exploitation in next 30 days
EPSS score — higher than 73% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (14)

Affected Vendors

Microsoft

References (4)

Third Party Advisory http://www.securityfocus.com/bid/104996
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8378
Third Party Advisory http://www.securityfocus.com/bid/104996
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8378
51
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 15/34 · Moderate
Exposure 18/34 · Moderate