Vulnerability in Microsoft Excel

CVE-2018-8627

An information disclosure vulnerability exists when Microsoft Excel software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8598.

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.086 (95.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-8627: held from 0.086 to 0.086.

EPSS over last 30 days · oldest: 0.086 · newest: 0.086 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-8627?
CVE-2018-8627 is a medium-severity vulnerability in Microsoft Excel, classified under Use of Uninitialized Resource. CVSS score: 5.5/10. Published 2018-12-12.
How severe is CVE-2018-8627?
Medium severity. CVSS v3 base score is 5.5 out of 10.