CVE-2018-8558: microsoft microsoft office
CVSS: 6.5v3.0MediumModified
Published 14-11-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-8558 is a medium (CVSS 6.5) vulnerability in microsoft microsoft office. EPSS estimates a 5.58% chance of exploitation in the next 30 days, higher than 92.8% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
5.58%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Online Admin Center, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office. This CVE ID is unique from CVE-2018-8579.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
5.58%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 5.58% on 19-09-2026
19-09-202619-10-2026
EPSS score5.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft3 products
- microsoft office2019 for 32-bit editions | 2019 for 64-bit editions
- officeEOL365 ProPlus for 32-bit Systems | 365 ProPlus for 64-bit Systems | 2019
- office_365_proplusna
1 vendor · 3 products
References
2 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8558X Refsource CONFIRMPatchVendor Advisory