CVE-2018-1027

Name: CVE-2018-1027
Creator: NVD / NIST
Published: 2018-04-12T01:29:10.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 19.52%

Last modified Jun 17, 2026

CVE-2018-1027 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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 Microsoft Excel, Microsoft Office. This CVE ID is unique from CVE-2018-0920, CVE-2018-1011, CVE-2018-1029.. EPSS estimates a 19.52% chance of exploitation in the next 30 days.

Description

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 Microsoft Excel, Microsoft Office. This CVE ID is unique from CVE-2018-0920, CVE-2018-1011, CVE-2018-1029.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

19.52%

97.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Excel	2007	—
Microsoft	Excel	2010	—
Microsoft	Excel	2013	—
Microsoft	Office Compatibility Pack	All versions	Sp3

References

http://www.securityfocus.com/bid/103616Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040652Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1027Patch, Vendor Advisory
http://www.securityfocus.com/bid/103616Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040652Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1027Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2018-1027?

How severe is CVE-2018-1027?

CVE-2018-1027 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 19.52% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1027?

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-2018-1027?

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

Scan your code now

Source: NVD / NIST