Medium severity6.5NVD Advisory· Published Nov 14, 2018· Updated Jun 17, 2026

CVE-2018-8558

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.

Affected products

Microsoft/Office2 versions
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
- (no CPE)range: 365 ProPlus for 32-bit Systems
Microsoft/Office 365 Proplus
cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:*
Microsoft/Outlookllm-fuzzy
Microsoft/Office Visiocpe-rescue
Range: 2019 for 32-bit editions

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8558nvdPatchVendor Advisory
www.securityfocus.com/bid/105826nvdThird Party AdvisoryVDB Entry

News mentions

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