Multiple vulnerabilities have been identified in WithSecure products, potentially allowing attackers to cause remote denial of service and privilege escalation. Affected systems include versions of Linux Protection, Linux Security, WithSecure Atlant, Business Client Security for Mac, Client Security on Windows, Elements Agent for Mac, Elements Endpoint Protection on Windows, Email and Server Security on Windows, MDR for Mac, and Server Security on Windows, all lacking the latest security patches. The vulnerabilities are detailed in six separate security advisories published on January 29, 2026. Users are advised to consult the provided advisories for specific remediation steps. The vulnerabilities are referenced as CVE-2024-27357, CVE-2024-27358, CVE-2024-4454, CVE-2024-45520, CVE-2024-47193, and CVE-2025-26790.
Summary of content from
https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0100/
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