CVE detail
CVE-2026-34926: Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Trend Micro · Apex One
- Date added (KEV)
- May 21, 2026
- CISA due date
- Jun 04, 2026
- Ransomware campaign use
- Unknown
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor fix: Vendor advisory
Scorifya interpretation
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Plain English
Technical detail
From CISA
Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations.
https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Trend Micro directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://success.trendmicro.com/en-US/solution/KA-0023430Vendor Advisory
- https://success.trendmicro.com/ja-JP/solution/KA-0022974Vendor Advisory
- https://jvn.jp/en/vu/JVNVU90583059/Third Party Advisory
- https://www.jpcert.or.jp/english/at/2026/at260014.htmlThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926Third Party AdvisoryUS Government Resource
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