CVE-2026-112109

Local privilege escalation in SafeNet Authentication Client SACSrv

Published Nov 5, 2026 CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
Description
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).

Remediation

Vendor Solution

Upgrade to SafeNet Authentication Client 10.9 R3 Post GA (build 10.9.7954) or later.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Thalesgroup safenet Authentication Service
Vendors & Products Thalesgroup safenet Authentication Service
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description 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).
Title Local privilege escalation in SafeNet Authentication Client SACSrv
First Time appeared Thalesgroup
Thalesgroup safenet Authentication Client Service
Weaknesses CWE-122
CWE-190
CPEs cpe:2.3:a:thalesgroup:safenet_authentication_client_service:*:*:windows:*:*:*:*:*
Vendors & Products Thalesgroup
Thalesgroup safenet Authentication Client Service
References
Metrics cvssV4_0

{'score': 7.3, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
THA-PSIRT
Published
Updated
Nov 5, 2026, 8:12 PM
Reserved
Oct 18, 2026, 8:48 PM
Status
Awaiting Analysis
Published
Nov 5, 2026, 6:17 PM
Modified
Nov 6, 2026, 9:33 PM
Severity
Important
Public date
Nov 5, 2026, 5:20 PM