CVE-2022-40139
HighExploitedPublic exploitImproper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to…
Published Sep 19, 2022 · Updated Oct 31, 2025
Key Facts
Patch immediately- CVE-2022-40139 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Apex One (Trendmicro), Trend Micro Apex One.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 13, 2022. Public exploit code is available.
- EPSS estimates a 3.3% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
3.3%
Higher than 88.3% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-40139 brief as a PDF
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Description
Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 15, 2022 | Oct 6, 2022 | Not reported |
| Industry KEV feed | Sep 13, 2022 | Oct 6, 2022 | Not reported |
| CIRCL KEV | Sep 15, 2022 | Oct 6, 2022 | Not reported |
| ENISA EUVD | Sep 15, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Apex OneTrendmicro | 2019 | n/a |
| Trend Micro Apex One | >= 2019 (on-prem) and SaaS | n/a |
Timeline
Added to Industry KEV feed
Sep 13, 2022
Added to CISA KEV
Sep 15, 2022
Added to CIRCL KEV
Sep 15, 2022
Added to ENISA EUVD
Sep 15, 2022
Publicly disclosed
Sep 19, 2022
Last updated
Oct 31, 2025
References
- patchhttps://success.trendmicro.com/solution/000291528
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution.
Affected: Apex One (Trendmicro) versions 2019; Trend Micro Apex One versions >= 2019 (on-prem) and SaaS. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 13, 2022.
Yes. It was added on Sep 15, 2022 with a federal remediation due date of Oct 6, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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