CVE-2018-8429

Name: CVE-2018-8429
Creator: NVD / NIST
Published: 2018-09-13T00:29:03.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 12.26%

Last modified Jun 17, 2026

CVE-2018-8429 is a vulnerability of currently unknown severity. An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.. EPSS estimates a 12.26% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.

Metrics

EPSS Probability

12.26%

95.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions	Update
Microsoft	Excel	2010	Sp2
Microsoft	Excel	2013	Sp1
Microsoft	Excel	2016	—
Microsoft	Excel Viewer	2007	Sp3
Microsoft	Office	2016	—
Microsoft	Office Compatibility Pack	All versions	Sp3
Microsoft	Office For Mac	2016	—

References

http://www.securityfocus.com/bid/105219Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041630Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429Patch, Vendor Advisory
http://www.securityfocus.com/bid/105219Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041630Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429Patch, Vendor Advisory

Timeline

Published: Sep 13, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8429?

How severe is CVE-2018-8429?

Severity scoring for CVE-2018-8429 is pending analysis. The EPSS model estimates a 12.26% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8429?

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-2018-8429?

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

Scan your code now

Source: NVD / NIST