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8.5

ESET Encryption lets regular users control privileged driver

CVE-2026-75882 · published 5 days ago
Summary

ESET Endpoint Encryption and ESET Full Disk Encryption on Windows allow a user with normal rights to reach a system component that normally requires administrator-level access. This could let the user send specially crafted commands to the driver and potentially affect the security of the encrypted data. Apply the latest updates from ESET as soon as possible to close this gap.

What to do
  • Update eset spol. s.r.o. eset endpoint encryption to version 5.4.29.0.
  • Update eset spol. s.r.o. eset full disk encryption to version 2.4.8.0.
Affected software
VendorProductAffected versions
eset spol. s.r.o. eset endpoint encryption <= 5.4.23.0
Fix: upgrade to 5.4.29.0
eset spol. s.r.o. eset full disk encryption <= 2.4.4.0
Fix: upgrade to 2.4.8.0
Original advisory text
Improper access control vulnerability in ESET Encryption products for Windows
An improper access control vulnerability in ESET Endpoint Encryption and ESET Full Disk Encryption allow attacker with standard user permissions access a device interface belonging to a privileged kernel driver and send specially crafted requests.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.5 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-284Improper Access Control
Timeline
Published30 Oct 2026
Updated31 Oct 2026
First seen30 Oct 2026
Sources
CVE-2026-75882 · NVD
CVE-2026-75882 · MITRE
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