CVE-2018-8378: microsoft excel_viewer Out-of-bounds Read

Vulnerability summary

CVE-2018-8378 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in microsoft excel_viewer. EPSS estimates a 6.85% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities.

Timeline

1. 15-08-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka "Microsoft Office Information Disclosure Vulnerability." This affects Word, Microsoft SharePoint Server, Microsoft Office Word Viewer, Microsoft Excel Viewer, Microsoft SharePoint, Microsoft Office.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
• CWE-908Use of Uninitialized ResourceThe product uses or accesses a resource that has not been initialized.