CVE-2026-112109

High

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).

SeverityHigh

CVSS7.3

Exploit probability—

ProductSafenet Authentication Client Service

PublishedNov 5, 2026

First seenNov 5, 2026

Weakness typeCWE-122CWE-122 CWE-190Integer overflow

How to fix

Vendor advisories

supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=89d3c2ce2b105350cdc1f87df291bf55&sysparm_article=KB0031248

Affected products

Product	Affected versions	Fixed in
Thalesgroup Safenet Authentication Client Service	v ≤ 10.9.7449	—

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