5.5

CVE-2018-8627: microsoft excel Use of Uninitialized Resource

CVSS: 5.5v3.0MediumModified
Published 12-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8627 is a medium (CVSS 5.5) Use of Uninitialized Resource vulnerability in microsoft excel. EPSS estimates a 8.62% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
8.62%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

8.62%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.62% on 18-09-2026

18-09-202618-10-2026
EPSS score
8.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft9 products
  • excelServices on Microsoft SharePoint Server 2010 Service Pack 2 | 2010:sp2 | 2013:sp1 | 2016
  • excel_viewer2007:sp3
  • microsoft excel2010 Service Pack 2 (32-bit editions) | 2010 Service Pack 2 (64-bit editions) | 2013 RT Service Pack 1 | 2013 Service Pack 1 (32-bit editions) | 2013 Service Pack 1 (64-bit editions) | 2016 (32-bit edition) | 2016 (64-bit edition)
  • microsoft excel viewer2007 Service Pack 3
  • microsoft office2010 Service Pack 2 (32-bit editions) | 2010 Service Pack 2 (64-bit editions) | 2016 for Mac | 2019 for 32-bit editions | 2019 for 64-bit editions | 2019 for Mac | Compatibility Pack Service Pack 3

1 vendor · 9 products

References

2 links