CVE-2026-7870

HIGH
Published Jun 11, 2026 Modified Jun 17, 2026 CWE-427

Description

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.

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0034
Probability of exploitation
0.26%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-427 CWE-427

Affected Products

Vendor Product
ibm i
ibm i
ibm i
ibm i

References

Frequently Asked Questions

What is CVE-2026-7870? +
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. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-7870? +
CVE-2026-7870 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0034, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-7870? +
CVE-2026-7870 affects products from ibm, specifically: i. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-7870? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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