CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Trend Micro Multiple Products Content Validation Escape Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
Trend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) agents are affected by a content validation escape vulnerability which could allow an attacker to manipulate certain agent client components. An attempted attack requires user authentication.
Affected products
trendmicro: apex one; trendmicro: officescan; trendmicro: worry-free business security
References9
- success.trendmicro.com/jp/solution/000244253 PatchVendor Advisory
- success.trendmicro.com/jp/solution/000244836 PatchVendor Advisory
- success.trendmicro.com/solution/000245571 PatchVendor Advisory
- success.trendmicro.com/solution/000245572 PatchVendor Advisory
- success.trendmicro.com/jp/solution/000244253 PatchVendor Advisory
- success.trendmicro.com/jp/solution/000244836 PatchVendor Advisory
- success.trendmicro.com/solution/000245571 PatchVendor Advisory
- success.trendmicro.com/solution/000245572 PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 6% percentile: 94 · as of 11 November 2026
- CWE
- CWE-74
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