CVE-2026-17485
Integer underflow in IBM i allows remote denial of service and sensitive data disclosure.
Is CVE-2026-17485 being exploited?
Not confirmed. CVE-2026-17485 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.30% probability of exploitation in the next 30 days.
How severe is CVE-2026-17485?
CVE-2026-17485 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-17485?
Yes. A fix has been recorded for CVE-2026-17485. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-17485 affect?
CVE-2026-17485 affects IBM i 7.6, IBM i 7.5, IBM i 7.4, IBM i 7.3. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-17485?
Apply vendor patch when released; restrict network access to IBM i and monitor for anomalies.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can trigger an integer underflow to crash IBM i (DoS) and read sensitive memory/data.
Patch when possible
- affected7.6
- affected7.5
- affected7.4
- affected7.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.