Improper Privilege Management vulnerability in ESET AV Remover (standalone) allows Privilege Escalation via especially crafted RPC. (CVE-2026-12858)
An improper privilege management vulnerability exists in the standalone ESET AV Remover, allowing privilege escalation via specially crafted RPC calls. This vulnerability could enable an attacker with limited privileges to gain higher privileges on the affected system. No patch or official remediation information is currently available. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-12858 is an improper privilege management vulnerability in the standalone ESET AV Remover product. The flaw allows privilege escalation through specially crafted remote procedure calls (RPC). The vulnerability is categorized under CWE-269 (Improper Privilege Management). The CVSS 4.0 vector indicates a local attack vector with low attack complexity and no user interaction required, resulting in high impact on confidentiality, integrity, and availability. No patch or vendor advisory has been provided to confirm remediation status.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with local access and limited privileges to escalate their privileges to a higher level, potentially compromising system security. The impact affects confidentiality, integrity, and availability of the system where ESET AV Remover is installed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, limit local access to trusted users only and monitor for suspicious RPC activity related to ESET AV Remover.
Improper Privilege Management vulnerability in ESET AV Remover (standalone) allows Privilege Escalation via especially crafted RPC. (CVE-2026-12858)
Description
An improper privilege management vulnerability exists in the standalone ESET AV Remover, allowing privilege escalation via specially crafted RPC calls. This vulnerability could enable an attacker with limited privileges to gain higher privileges on the affected system. No patch or official remediation information is currently available. There are no known exploits in the wild at this time.
CVSS v4.0
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-12858 is an improper privilege management vulnerability in the standalone ESET AV Remover product. The flaw allows privilege escalation through specially crafted remote procedure calls (RPC). The vulnerability is categorized under CWE-269 (Improper Privilege Management). The CVSS 4.0 vector indicates a local attack vector with low attack complexity and no user interaction required, resulting in high impact on confidentiality, integrity, and availability. No patch or vendor advisory has been provided to confirm remediation status.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with local access and limited privileges to escalate their privileges to a higher level, potentially compromising system security. The impact affects confidentiality, integrity, and availability of the system where ESET AV Remover is installed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, limit local access to trusted users only and monitor for suspicious RPC activity related to ESET AV Remover.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-22g2-j87w-f955
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-12858"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
Threat ID: 6aa15f6bacd9273b4961802c
Added to database: 09/09/2026, 13:30:19 UTC
Last enriched: 09/09/2026, 13:52:24 UTC
Last updated: 09/09/2026, 14:52:00 UTC
Views: 2
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