CVE-2018-8427
An information disclosure vulnerability exists in the way that Microsoft Graphics Components...
An information disclosure vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Information Disclosure Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Office 365 ProPlus, Windows Server 2008, Microsoft PowerPoint Viewer, Microsoft Excel Viewer.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An information disclosure vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Information Disclosure Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Office 365 ProPlus, Windows Server 2008, Microsoft PowerPoint Viewer, Microsoft Excel Viewer.
- Record
CVE-2018-8427- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
An information disclosure vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Information Disclosure Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Office 365 ProPlus, Windows Server 2008, Microsoft PowerPoint Viewer, Microsoft Excel Viewer.
- Record
CVE-2018-8427- Updated
- 2026-11-02
EUVDEUVD-2018-20063 No score
An information disclosure vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Information Disclosure Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Office 365 ProPlus, Windows Server 2008, Microsoft PowerPoint Viewer, Microsoft Excel Viewer.
- Record
EUVD-2018-20063- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ch57-57p3-fhm7
An information disclosure vulnerability exists in the way that Microsoft Graphics Components...
An information disclosure vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Information Disclosure Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Office 365 ProPlus, Windows Server 2008, Microsoft PowerPoint Viewer, Microsoft Excel Viewer.
- Record
GHSA-ch57-57p3-fhm7- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- 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-2018-8427 is a medium vulnerability (CVSS 5.5) in Microsoft Excel Viewer, published October 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.29%, the 83rd percentile. No source names a fixed version.