Is CVE-2026-81576 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-81576?

CVE-2026-81576 has a CVSS v3 severity of HIGH (7.7).

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CVE-2026-81576

Description

If configured as a server, CodeMeter Runtime before versions 8.41a and 9.10 issues handles per connection and relies on a cryptographically weak SID as sole authenticator. An attacker can brute-force the SID, recover another session's handle number, and read license information belonging to another handle.