ActiveSyncProvider in Microsoft Windows 10 Gold and 1511 allows attackers to discover credentials by leveraging failure of Universal Outlook to obtain a secure connection, aka "Universal Outlook Information Disclosure Vulnerability."
Severity
CVSS 3.0
9.1 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
9.7% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)