Is CVE-2026-66840 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-66840?

CVE-2026-66840 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-66840

Description

XING CPTrans-ME-X contains an Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497). Sensitive system information may be leaked.