CVE-2016-1193: Cybozu Garoon 3.7 through 4.2 allows remote attackers to obtain sensitive email-reading information via uns...

Security readout for executives and security teams

This CVE concerns Cybozu Garoon versions 3.7 through 4.2. A remote attacker may be able to obtain sensitive information about email-reading activity. The available sources do not describe the exact attack path, severity score, or confirmed active exploitation. Exposure is most likely where Cybozu Garoon 3.7 through 4.2 is still deployed, especially if reachable by untrusted networks. The bundle’s structured affected-product fields are incomplete, so validate using asset inventory and vendor records. Prioritize inventory and remediation if Garoon is business-critical or externally reachable. Urgency is constrained by incomplete severity and exploit evidence, but legacy collaboration systems can expose sensitive business behavior if left unpatched. Mitigation focus: Identify any Cybozu Garoon 3.7 through 4.2 instances.; Review Cybozu and JVN advisories for the recommended fix or workaround.; Apply vendor-recommended updates or mitigations where applicable..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.