ESET AV Remover flaw allows privilege escalation
ANSSI advisory warns of a privilege escalation vulnerability in ESET AV Remover versions prior to 1.6.17.0, patched by the vendor.
Sourcecert.ssi.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.
ANSSI (CERT-FR) published an advisory describing a privilege escalation vulnerability affecting ESET AV Remover in versions prior to 1.6.17.0. The flaw, tracked as CVE-2026-12858, could allow a local attacker to elevate privileges on an affected system. ESET has released a security bulletin addressing the issue, and the advisory directs administrators to apply the vendor-supplied patch.
No evidence of active exploitation is mentioned in the advisory. This is a standard vendor patch notification requiring organizations running ESET AV Remover to update to version 1.6.17.0 or later to remediate the vulnerability.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1143
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