PT-2026-42467 · Trend Micro · Apex One+1

L4Ys + 2 · Published 2025-10-29 · Updated 2026-05-28 · CVE-2026-34928

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One/SEP agent (affected versions not specified)

Description An origin validation error in the agent's named pipe communication mechanism allows a local attacker to escalate privileges. To exploit this issue, the attacker must first have the ability to execute low-privileged code on the target system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

BDU:2026-07438

CVE-2026-34928

ZDI-26-321

Affected Products

Apex One

Sep Agent

References · 7

• https://zerodayinitiative.com/advisories/ZDI-26-321 · Security Note
• https://bdu.fstec.ru/vul/2026-07438 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-34928 · Security Note
• https://zerodayinitiative.com/advisories/upcoming · Note
• https://t.me/cveNotify/164564 · Telegram Post
• https://success.trendmicro.com/en-US/solution/KA-0023430 · Note
• https://t.me/CVEtracker/54520 · Telegram Post