Quick answers
- Is CVE-2026-112109 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-112109 being exploited in the wild.
- How severe is CVE-2026-112109?
- Informational severity, published 5 November 2026.
- Which products and versions are affected?
- Thales SafeNet Authentication Client up to and including 10.9 R3 GA (build 10.9.7449).
- Is there a fix for CVE-2026-112109?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-112109 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-112109?
- Check whether you run Thales SafeNet Authentication Client at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A heap-based buffer overflow exists in the SACSrv service component of SafeNet Authentication Client, exploitable by an authenticated non-administrator user via the service interface. Successful exploitation results in arbitrary code execution with Local System privileges. The vulnerability affects SAC releases up to and including version 10.9 R3 GA (build 10.9.7449).
Affected products
- Thales SafeNet Authentication Client up to and including 10.9 R3 GA (build 10.9.7449)
Timeline
- 2026-11-05: disclosed