CVE-2018-8582

Name: CVE-2018-8582
Creator: NVD / NIST
Published: 2018-11-14T01:29:01.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 18.59%

Last modified Jun 17, 2026

CVE-2018-8582 is a vulnerability of currently unknown severity. A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka "Microsoft Outlook Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.. EPSS estimates a 18.59% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka "Microsoft Outlook Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.

Metrics

EPSS Probability

18.59%

96.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Office 365 Proplus	All versions	—
Microsoft	Outlook	2010	Sp2
Microsoft	Outlook	2013	Sp1
Microsoft	Outlook	2016	—
Microsoft	Outlook Rt	2013	Sp1
Microsoft	Windows Server 2019	All versions	—

References

http://www.securityfocus.com/bid/105825Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1042110Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8582Patch, Vendor Advisory
http://www.securityfocus.com/bid/105825Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1042110Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8582Patch, Vendor Advisory

Timeline

Published: Nov 14, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8582?

How severe is CVE-2018-8582?

Severity scoring for CVE-2018-8582 is pending analysis. The EPSS model estimates a 18.59% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8582?

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-2018-8582?

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

Scan your code now

Source: NVD / NIST