Local privilege escalation in SafeNet Authentication Client SACSrv
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
Thales SafeNet Authentication Client (SAC) SACSrv releases up to and including 10.9 R3 GA (build 10.9.7449) contain a heap-based buffer overflow (CWE-122) reachable through the service interface. An authenticated, non-administrator local user can trigger the overflow to escalate privileges. Successful exploitation may allow arbitrary code execution with Local System privileges.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
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).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Safenet Authentication Client Service.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Vendor assessments
Timeline
- 2026-11-05 Threatist record created from CVE-2026-112109
- 2026-11-05 Alias added: GHSA-gr7c-6vfv-4h8v
- 2026-11-05 CVSS score added · CISA ADP
- 2026-11-05 CISA SSVC decision points changed
- 2026-11-05 Priority changed: MEDIUM → LOW
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score added · Red Hat
References
More Thales vulnerabilities
- TI-2021-12537 The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall… CVSS 3.1CRITICAL 9.8
- TI-2026-15119 SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability CVSS 4.0CRITICAL 9.4
- TI-2026-83334 Unauthenticated Stack Buffer Overflow in Sentinel Keys Server CVSS 4.0CRITICAL 9.3
- TI-2026-05969 Vulnerability on Cryptobox external sharing feature CVSS 4.0MEDIUM 6.9
- TI-2024-00179 Privilege Escalation in Thales SafeNet Sentinel HASP LDK CVSS 3.1HIGH 7.8
- TI-2023-06413 Privilege Escalation in SafeNet Authentication Client CVSS 3.1HIGH 7.8
Sources
- CVE-2026-112109 · CVE Program
- CVE-2026-112109 · NVD
- FIRST EPSS
- GHSA-gr7c-6vfv-4h8v · GitHub Advisory Database · CC BY 4.0
- CVE-2026-112109 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences