Vulnerability record · CVE-2018-8636 · published 12 December 2018

CVE-2018-8636: Microsoft excel vulnerability

Microsoft · Excel

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel. This CVE ID is unique from CVE-2018-8597.

7.8 CVSS 3.0 High EPSS 16% · top 3.2%

7.8CVSS 3.0 base score, v2 9.3

16%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

4References

17 Jun 2026Last modified by NVD

Description

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Excel Microsoft

Office 365 Proplus Microsoft

References

Link	Tags
http://www.securityfocus.com/bid/106101	Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8636	PatchVendor Advisory
http://www.securityfocus.com/bid/106101	Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8636	PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-8636), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.