Retrospective for 2026-05-24, compiled on 27 October 2026. The date identifies the day being analysed; source publication and revision dates are recorded below.
What this advisory changes in your environment
The starting point is CERTFR-2026-AVI-0642, published on 2026-05-22. Its scope includes Vision One, Apex One. Reported consequences are security control bypass, privilege escalation. These statements apply to the advisory’s scope; they do not assign every consequence to every product or CVE.
This case contains 3 version entries; CVE identifier count: 8. Track remediation by component: a successful overall update does not demonstrate that Vision One and Apex One each received their respective fix.
Products and versions to examine
- Reference
- CERTFR-2026-AVI-0642
- Source first published
- 2026-05-22
- Latest source revision available for this day
- 2026-05-22
- Named components
- Vision One, Apex One
- CVE identifiers
- CVE-2026-45208, CVE-2026-45206, CVE-2026-45207, CVE-2026-34928, CVE-2026-34926, CVE-2026-34930, CVE-2026-34929, CVE-2026-34927
Mechanism and prerequisites
Privilege escalation expands an existing foothold into greater permissions. Examine boundaries between ordinary accounts, services and administrators, and retain evidence of role changes.
The primary record CVE-2026-45208, published by trendmicro, covers TrendAI Apex One, TrendAI Apex One as a Service. The retained revision is dated 2026-05-22. Its scope is presented separately from the integrations and product groupings in CERTFR-2026-AVI-0642.
The published metric for CVE-2026-45208 is CVSS 3.1, 7.8/10. The vector below describes technical prerequisites; it does not measure attack frequency or the likelihood that your deployment is compromised.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack vector
- local
- Prior privileges
- low
- User interaction
- none
- Complexity
- low
- Weakness
- CWE-367
Choose the appropriate intervention
- Locate Vision One instances, running releases and service owners. Record condition Not specified in the retained source in the ticket alongside reference CERTFR-2026-AVI-0642.
- Compare the installed branch with the vendor’s Vision One release notes. Prepare the package for that branch and a dependent-service test, retaining the pre-change state.
- After changing Vision One, capture the loaded version again and verify the workflow below. Any exception needs an owner, an exposure-reduction measure and an expiry date.
Verify the fix in a real workflow
Validation scenario to adapt for Vision One, Apex One: In a test instance of Vision One, submit a known synthetic event through the normal collection channel. Confirm receipt, timestamp and processing; check that updating the collector has not left another vulnerable agent or module installed. This is a proposed defensive check, not a claim that testing was performed against third-party systems.
Limit of case CERTFR-2026-AVI-0642: this analysis replaces neither vendor prerequisites nor investigation of your logs. Only documented versions are reproduced; no attack date or victim is invented.
Questions specific to this case
Which condition should be checked for Vision One?
Advisory CERTFR-2026-AVI-0642 states: Vision One — Not specified in the retained source. Check the edition and running release; do not extend the published boundary to branches absent from the advisory.
Why not use one fix for Vision One and Apex One?
CERTFR-2026-AVI-0642 distinguishes these components within a scope containing 3 entries. Match each branch to its own update documentation and functional check.
Which prerequisites does record CVE-2026-45208 specify?
For CVE-2026-45208, the published vector is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Verify those conditions on TrendAI Apex One, TrendAI Apex One as a Service before applying them to an integration named in CERTFR-2026-AVI-0642.
Sources and related reading
Practical guide : Make security event logs ready for detection
Explore the decision addressed in this case
Complete source advisory inventory
The article table may be an extract. These lists contain every affected-system entry and CVE in the specified advisory revision. They are not an inventory of your assets and do not map every CVE to every product.
Official source · CERTFR-2026-AVI-0642
Advisory revision : · Checked on :
Affected systems · 3
Original French wording is retained to avoid ambiguous translations of version conditions.
- TrendAI Vision One SEP sans le correctif 14.0.20731
- Apex One sans le correctif de sécurité SP1 CP Build 18012
- Apex One sans le correctif de sécurité SP1 CP Build 17079 (pour une nouvelle installation)