CVE-2026-75882Improper access control vulnerability in ESET Encryption products for Windows

8.5HighCVSS base score
0.10%Exploitation in 30 daysEPSS · top 99% of all CVEs
NoKnown exploitednot in CISA's KEV catalog
NonePublic exploitsnone known yet

Description

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.

Timeline

2026
18 Aug 2026
18 Aug 2026
ID reserved
By ESET
30 Oct 20262 months later
30 Oct 2026· 2 months later
Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-75882, by who scored it
Scored by	CVSS	Score	Vector
ESETCNA (assigner)	4.0	High8.5	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
NVDNVD · Awaiting Analysis	4.0	High8.5	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (exploitation in 30 days): 0.10% · top 99% of all CVEs (15 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.5.

Affected products

ESET spol. s.r.o. · ESET Endpoint Encryption
- affected ≤ 5.4.23.0
ESET spol. s.r.o. · ESET Full Disk Encryption
- affected ≤ 2.4.4.0

References1

https://support.eset.com/en/ca9033-eset-customer-advisory-improper-access-control-vulnerability-in-eset-encryption-products-for-windows-fixed (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2026-75882](https://cveledger.app/badge/CVE-2026-75882.svg)](https://cveledger.app/cve/CVE-2026-75882)

Record last updated 30 Oct 2026, 15:22 UTC.