CVE-2026-94395
A stack-based buffer overflow in Thales SafeNet Authentication Client (SAC) SIS token engine processing can be triggered by a malicious physical or software-emulated smart card. The issue can occur before authentication or PIN entry and may cause a denial of service or potentially arbitrary code execution with the privileges of the affected process. Affected releases start with SAC 10.8 R7 and include SAC 10.9 R3 GA (build 10.9.7449).
Published:Nov 5, 2026
Last Modified:Nov 5, 2026
EPS:Nov 5, 2026
EPSS Score:
CVSS Score:6.8
Affected Products
Vendor
Product
Action
Vendor
Thalesgroup
Product
Safenet Authentication Client Sis Token Engine
Thalesgroup
Safenet Authentication Client Sis Token Engine
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
