Vulnerability-Lookup

CVE-2026-12858 (GCVE-0-2026-12858)

Vulnerability from cvelistv5 – Published: 2026-09-09 08:29 – Updated: 2026-09-09 12:57

Title

Local privilege escalation vulnerability in ESET AV Remover

Summary

Improper Privilege Management vulnerability in ESET AV Remover (standalone) allows Privilege Escalation via especially crafted RPC.

Severity

8.5 (High)


                        
                          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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-09 12:57 UTC

CWE

CWE-269 - Improper Privilege Management

Assigner

ESET ENISA root

References

1 reference

URL	Tags
https://support.eset.com/en/ca9000-eset-customer-…

Impacted products

1 product

Vendor	Product	Version	CPE status
ESET spol. s.r.o.	ESET AV Remover (standalone)	Affected: 0 , ≤ 1.6.11.0 (custom)	guessed

Date Public

2026-09-09 08:00

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-12858

Vulnerability from fkie_nvd - Published: 2026-09-09 09:17 - Updated: 2026-09-09 09:17

Severity

8.5 (High) - 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

Summary

Improper Privilege Management vulnerability in ESET AV Remover (standalone) allows Privilege Escalation via especially crafted RPC.

References

	URL	Tags
	security@eset.com	https://support.eset.com/en/ca9000-eset-customer-advisory-local-privilege-escalation-vulnerability-in-eset-av-remover-fixed

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "ESET AV Remover (standalone)",
          "vendor": "ESET spol. s.r.o.",
          "versions": [
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              "changes": [
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                  "at": "1.6.17.0",
                  "status": "unaffected"
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              ],
              "lessThanOrEqual": "1.6.11.0",
              "status": "affected",
              "version": "0",
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  "lastModified": "2026-09-09T09:17:10.320",
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          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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GHSA-22G2-J87W-F955

Vulnerability from github – Published: 2026-09-09 09:32 – Updated: 2026-09-09 09:32

Details

Improper Privilege Management vulnerability in ESET AV Remover (standalone) allows Privilege Escalation via especially crafted RPC.

Severity

8.5 (High)


                  
                    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

Show details on source website

JSON

To clipboard

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    "CVE-2026-12858"
  ],
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    ],
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    "github_reviewed_at": null,
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  },
  "details": "Improper Privilege Management vulnerability in ESET AV Remover (standalone) allows Privilege Escalation via especially crafted RPC.",
  "id": "GHSA-22g2-j87w-f955",
  "modified": "2026-09-09T09:32:59Z",
  "published": "2026-09-09T09:32:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-12858"
    },
    {
      "type": "WEB",
      "url": "https://support.eset.com/en/ca9000-eset-customer-advisory-local-privilege-escalation-vulnerability-in-eset-av-remover-fixed"
    }
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      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-12858 (GCVE-0-2026-12858)

FKIE_CVE-2026-12858

GHSA-22G2-J87W-F955

Tags

Sightings

Nomenclature