Information disclosure in Microsoft Excel Viewer

CVE-2018-8427

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.

Vulnerability class: Information Disclosure

EPSS: 0.023 (82.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-8427?
CVE-2018-8427 is a medium-severity vulnerability in Microsoft Excel Viewer, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-10-10.
How severe is CVE-2018-8427?
Medium severity. CVSS v3 base score is 5.5 out of 10.