CERT-FR Warns of ESET Encryption Flaw
A vulnerability in ESET Endpoint Encryption and Full Disk Encryption for Windows allows data confidentiality, integrity, and security policy bypass.
Sourcecert.cyber.gouv.fr — open the original
What to check
- Applies to
- The 1 CVE named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation
- No exploitation in the wild and no public exploit is recorded for the CVEs named.
CERT-FR issued an advisory regarding a vulnerability affecting ESET Endpoint Encryption versions prior to 5.4.29.0 and ESET Full Disk Encryption versions prior to 2.4.8.0 for Windows. The flaw, tracked as CVE-2026-75882, allows an attacker to compromise data confidentiality, data integrity, and bypass security policies on affected systems.
No information is provided regarding active exploitation in the wild. Organizations using the affected ESET encryption products should consult the vendor's security bulletin (ESET ca9033, published 29 October 2026) and apply the available patches to remediate the vulnerability. Given that these products are designed for disk and endpoint encryption, a successful exploit could undermine the confidentiality guarantees these tools are meant to provide, making timely patching important for organizations relying on them for data protection.
Mentioned in this report
Source reporting: https://www.cert.cyber.gouv.fr/avis/CERTFR-2026-AVI-1416
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