CVE-2018-8587
A remote code execution vulnerability exists in Microsoft Outlook software when it fails to...
CVE-2018-8587 is a high vulnerability (CVSS 7.8) in Microsoft Office, published December 12, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 28.8%, the 98th percentile. No source names a fixed version.
- Severity
- 7.8 HighCVSS 3.0, NVD
- Exploit chance
- 28.8%EPSS, 98th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Sunqiz/CVE-2018-8587-reproduction | 2022-10-10 |
What each source reports
NVD Score used
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.
- Record
CVE-2018-8587- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2018-8587- Updated
- 2026-11-02
EUVDEUVD-2018-20203No score
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.
- Record
EUVD-2018-20203- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-452c-qvj7-x6xq
A remote code execution vulnerability exists in Microsoft Outlook software when it fails to...
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.
- Record
GHSA-452c-qvj7-x6xq- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.