Vulnerability in Microsoft Office

CVE-2018-8587

A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka "Microsoft Outlook Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.288 (98.1th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-8587: held from 0.288 to 0.288.

EPSS over last 30 days · oldest: 0.288 · newest: 0.288 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-8587?
CVE-2018-8587 is a high-severity vulnerability in Microsoft Office. CVSS score: 7.8/10. Published 2018-12-12.
How severe is CVE-2018-8587?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-8587 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.