CVE-2018-8577: Critical severity microsoft office excel vulnerability

Published Nov 14, 2018
·
Updated

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 Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8574.

Affected Software

15 affected components
Microsoft Excel=2010-sp2
Microsoft Excel=2013-sp1
Microsoft Excel=2013-sp1
Microsoft Excel=2016
Microsoft Excel Viewer=2007-sp3
Microsoft Office=2010-sp2
Microsoft Office=2013-sp1
Microsoft Office=2013-sp1
Microsoft Office=2016
Microsoft Office Mac Os X=2016
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office 365 ProPlus
Microsoft Office Compatibility Pack=sp3
Microsoft Office Web Apps Server=2013-sp1

Event History

Nov 14, 2018
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2018-8577?

CVE-2018-8577 is a remote code execution vulnerability in Microsoft Excel software.

2

Which software is affected by CVE-2018-8577?

Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel, Microsoft Office Compatibility Pack, and Microsoft Office Web Apps Server are affected.

3

What is the severity of CVE-2018-8577?

CVE-2018-8577 has a severity rating of 7.8, which is considered critical.

4

How does CVE-2018-8577 work?

CVE-2018-8577 allows remote attackers to execute arbitrary code on the affected system by exploiting a failure in handling objects in memory.

5

Are there any references available for CVE-2018-8577?

Yes, you can find more information about CVE-2018-8577 at the following references: [Security Focus](http://www.securityfocus.com/bid/105834), [Security Tracker](http://www.securitytracker.com/id/1042134), and [Microsoft Security Guidance](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8577).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203