Information disclosure in Microsoft Office
CVE-2018-8558
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.056 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · change: 0.000
Affected products
- Microsoft Office — versions 2019 for 32-bit editions, 2019 for 64-bit editions
- Microsoft Office — versions 365 ProPlus for 32-bit Systems, 365 ProPlus for 64-bit Systems, 2019
- Microsoft Office 365 Proplus
Weakness classification (CWE)
References
- www.securityfocus.com/bid/105826 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8558 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-8558?
- CVE-2018-8558 is a medium-severity vulnerability in Microsoft Office, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-11-14.
- How severe is CVE-2018-8558?
- Medium severity. CVSS v3 base score is 6.5 out of 10.