CVE-2018-8158

Name: CVE-2018-8158
Creator: NVD / NIST
Published: 2018-05-09T19:29:02.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 23.07%

Last modified Jun 17, 2026

CVE-2018-8158 is a vulnerability of currently unknown severity. A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Office. This CVE ID is unique from CVE-2018-8157, CVE-2018-8161.. EPSS estimates a 23.07% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Office. This CVE ID is unique from CVE-2018-8157, CVE-2018-8161.

Metrics

EPSS Probability

23.07%

97.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Office	2010	Sp2
Microsoft	Office	2013	Sp1
Microsoft	Office	2016	—

References

http://www.securityfocus.com/bid/104049Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040853Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8158Patch, Vendor Advisory
http://www.securityfocus.com/bid/104049Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040853Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8158Patch, Vendor Advisory

Timeline

Published: May 9, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8158?

How severe is CVE-2018-8158?

Severity scoring for CVE-2018-8158 is pending analysis. The EPSS model estimates a 23.07% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8158?

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-2018-8158?

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

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Source: NVD / NIST