CVE-2026-16607

Local root privilege escalation for authenticated users

Published Jul 22, 2026 · Updated Jul 22, 2026

Improper privilege management in Fujitsu Software openFT before 12.1D00 allows local users to escalate privileges to root. Fujitsu has not published the affected component or the operation that mishandles privileges. Exploitation requires an authenticated account and local access to a vulnerable GNU/Linux or Oracle Solaris host; success grants root control of that host.

CVSS severity8.5
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper privilege management in Fujitsu Software openFT before 12.1D00 allows local users to escalate privileges to root. Fujitsu has not published the affected component or the operation that mishandles privileges. Exploitation requires an authenticated account and local access to a vulnerable GNU/Linux or Oracle Solaris host; success grants root control of that host.

The record

CVE
CVE-2026-16607
Published
Jul 22, 2026
Updated
Jul 22, 2026
Vendor
Fujitsu Limited
Product
openFT
Classifications
CWE-269, CAPEC-8, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 22, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=12.1C95
  2. Affected versionversion=0 <=12.1C96

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Fujitsu Limited · openFTversion=0 <=12.1C95; version=0 <=12.1C96

Published CVSS scores

7.8FTICVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.5FTICVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
CAPEC-8Buffer Overflow in an API Call
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo