Buffer overflow in Thalesgroup Safenet Authentication Client Service
CVE-2026-112109
A local privilege escalation vulnerability in Thales SafeNet Authentication Client (SAC) SACSrv can allow an authenticated, non-administrator local user to trigger a heap-based buffer overflow through the service interface. Successful exploitation may allow arbitrary code execution with Local System privileges.This issue affects SAC releases up to and including 10.9 R3 GA (build 10.9.7449).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- supportportal.thalesgroup.com/csm (vendor-advisory)
Frequently asked questions
- What is CVE-2026-112109?
- CVE-2026-112109 is a high-severity vulnerability in Thalesgroup Safenet Authentication Client Service, classified under Heap-based Buffer Overflow. CVSS score: 7.0/10. Published 2026-11-05.
- How severe is CVE-2026-112109?
- High severity. CVSS v3 base score is 7.0 out of 10.