CVE-2026-45206

Local Privilege Escalation via Origin Validation Vulnerability in Trend Micro Apex One

Published May 21, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-45207 but exists in a different process protection communication mechanism.

Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Trendmicro apex One
CPEs cpe:2.3:a:trendmicro:apex_one:*:*:*:*:on-premises:windows:*:*
cpe:2.3:a:trendmicro:apex_one:*:*:*:*:saas:windows:*:*
Vendors & Products Trendmicro apex One
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Local Privilege Escalation via Origin Validation Vulnerability in Trend Micro Apex One
Type Values Removed Values Added
Description An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-45207 but exists in a different process protection communication mechanism. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
First Time appeared Trendmicro
Trendmicro apexone Op
Trendmicro apexone Saas
Weaknesses CWE-346
CPEs cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*
Vendors & Products Trendmicro
Trendmicro apexone Op
Trendmicro apexone Saas
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
trendmicro
Published
Updated
May 22, 2026, 3:55 AM
Reserved
May 11, 2026, 1:42 PM
Status
Analyzed
Published
May 21, 2026, 2:16 PM
Modified
Jul 23, 2026, 4:10 PM