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Vulnerability record · CVE-2021-37852 · published 9 February 2022

CVE-2021-37852: Eset endpoint antivirus improper privilege management vulnerability

Eset · Endpoint Antivirus

ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\SYSTEM.

7.8 CVSS 3.1 High EPSS 0.60% · top 53.5% CWE-269 · Improper privilege management
7.8CVSS 3.1 base score, v2 7.2
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\SYSTEM.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-148/ Third Party AdvisoryVDB Entry
https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-148/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-37852), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.