Findings

Vulnerability · CVE-2026-34927

An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations.

Published May 21, 2026 · corrected/updated Jul 23, 2026 · trendmicro apex one · evidence confidence high

An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2026-34927 is a high public vulnerability record for trendmicro apex one. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether trendmicro apex one is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: trendmicro/apex one. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.8, EPSS 0.1%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-346. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 21, 2026 · NIST NVD

    Detected

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

  2. Jul 23, 2026 · NIST NVD

    Updated

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Affected

  • cpe trendmicro/apex oneversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-34927

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-34927

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-34927

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnera

    nvd.nist.gov

References