IBM i 7.6, 7.5, 7.4, and 7.3 could allow a user to gain elevated privileges due to an unqualified library call. A malicious actor could cause user-controlled code to run with administrator privilege.
CVE-2026-7870
HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-11. a secondary CVSS source baseline 8.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(high)
- EPSS
- 26.3%
- KEV
- Not listed
Published
June 11, 2026
Last Modified
June 16, 2026
Advisory Details (1)
Auto-updated Jun 11, 2026No patch confirmed yet.
generic
Security Bulletin: IBM i is Affected by Privilege Escalation [CVE-2026-7870]
https://www.ibm.com/support/pages/node/7275756Vendor Advisories for CVE-2026-7870(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Frequently asked(5)
What is CVE-2026-7870?
CVE-2026-7870 is a high vulnerability published on June 11, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a user to gain elevated privileges due to an unqualified library call. A malicious actor could cause user-controlled code to run with administrator privilege.
When was CVE-2026-7870 disclosed?
CVE-2026-7870 was first published in the National Vulnerability Database on June 11, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7870 actively exploited?
CVE-2026-7870 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-7870?
CVE-2026-7870 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-7870?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7870, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-7870
Is Your Infrastructure Affected by CVE-2026-7870?
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