An information disclosure vulnerability exists when attaching files to Outlook messages, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office. This CVE ID is unique from CVE-2018-8558.
Severity
CVSS 3.0
6.5 medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
6.3% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)