CVE-2022-40139
Actively exploited. CVE-2022-40139 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-15) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Trend Micro Apex One and Apex One as a Service contain an improper validation of rollback mechanism components that could lead to remote code execution.
CSIRTS triage
- What
- Trend Micro Apex One and Apex One as a Service contain an improper validation of rollback mechanism components that could lead to remote code execution.
- Who is affected
- Deployments of Trend Micro Apex One and Apex One as a Service are affected.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security updates for Apex One.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 86% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2022-40139: Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerabilitycisa-kev · 2022-09-15
External references
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[](https://www.csirts.com/cve/CVE-2022-40139)