CVE-2026-94395
A stack-based buffer overflow in Thales SafeNet Authentication Client (SAC) SIS token engine…
- Risk score
- 41/100
- CVSS
- 6.8 v3.1
- Published
- 5 Nov 2026
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What to know
- What it is
- 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 pri…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.8 medium
References
Original description
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).
Last activity 5 Nov 2026. Patch Forecast updates every hour.