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CVE-2026-16987

HighCVSS 7.8/10Last modified Aug 17, 2026

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
IBM	i	7.6; 7.5; 7.4; 7.3

References

https://www.ibm.com/support/pages/node/7283296Vendor Advisory

Timeline

Published: Aug 13, 2026
Last modified: Aug 17, 2026
NVD status: Undergoing Analysis

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CVE-2026-16987: High severity, CVSS 7.8 | Vulnix