CVE-2018-8627
MEDIUM EXPLOITED IN THE WILDMicrosoft Excel - Information Disclosure via Uninitialized Variable
Title source: llmExploitation Summary
CVE-2018-8627 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io).
Description
An information disclosure vulnerability exists when Microsoft Excel software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8598.
References (2)
Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8627
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/106120
Scores
CVSS v3
5.5
EPSS
0.0866
EPSS Percentile
94.4%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
VulnCheck KEV
2021-01-21
InTheWild.io
2019-01-02
CWE
CWE-908
Status
published
Products (10)
microsoft/excel
2010 sp2
microsoft/excel
2013 sp1 (2 CPE variants)
microsoft/excel
2016
microsoft/excel_viewer
2007 sp3
microsoft/office
2010 sp2
microsoft/office
2016
microsoft/office
2019 (2 CPE variants)
microsoft/office_365_proplus
microsoft/office_compatibility_pack
microsoft/sharepoint_server
2010 sp2
Published
Dec 12, 2018
Tracked Since
Feb 18, 2026