CVE-2018-8502
A remote code execution vulnerability exists in Microsoft Excel software when the software fails...
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel.
- Record
CVE-2018-8502- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/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 List No score
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel.
- Record
CVE-2018-8502- Updated
- 2026-11-02
EUVDEUVD-2018-20131 No score
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel.
- Record
EUVD-2018-20131- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qwg4-xph2-mwgf
A remote code execution vulnerability exists in Microsoft Excel software when the software fails...
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel.
- Record
GHSA-qwg4-xph2-mwgf- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8502 is a high vulnerability (CVSS 8.8) in Microsoft Excel, published October 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 20.5%, the 97th percentile. No source names a fixed version.