CVE-2018-8627

Name: CVE-2018-8627
Creator: NVD / NIST
Published: 2018-12-12T00:29:01.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.66%

Last modified Jun 17, 2026

CVE-2018-8627 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.66% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

8.66%

94.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions	Update
Microsoft	Excel	2010	Sp2
Microsoft	Excel	2013	Sp1
Microsoft	Excel	2016	—
Microsoft	Excel Viewer	2007	Sp3
Microsoft	Office	2010	Sp2
Microsoft	Office	2016	—
Microsoft	Office	2019	—
Microsoft	Office 365 Proplus	All versions	—
Microsoft	Office Compatibility Pack	All versions	Sp3
Microsoft	Sharepoint Server	2010	Sp2

References

http://www.securityfocus.com/bid/106120Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8627Patch, Vendor Advisory
http://www.securityfocus.com/bid/106120Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8627Patch, Vendor Advisory

Timeline

Published: Dec 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8627?

How severe is CVE-2018-8627?

Severity scoring for CVE-2018-8627 is pending analysis. The EPSS model estimates a 8.66% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8627?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-8627?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST