[NEW] [medium] IBM i: Vulnerability enables privilege escalation

mediumCVE-2026-18071

A local attacker can exploit a vulnerability in IBM i to elevate their privileges.

CSIRTS triage

vendor: IBM product: IBM i Privilege escalation

What: A vulnerability in IBM i allows a local attacker to elevate their privileges.
Who is affected: IBM i systems accessible to local attackers.
Urgency: Medium severity; privilege escalation is significant but requires local access; patch promptly.
Action: Apply the security patch provided by IBM for CVE-2026-18071.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-08-14
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2833

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-180710.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-18071	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCVE-2026-18071: IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to i…nvd

Recent advisories for IBM i

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-18554: IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to obtain s…nvd · 2026-08-14
mediumCVE-2026-18178: IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to delete a…nvd · 2026-08-14
mediumCVE-2026-17227: IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to bypass s…nvd · 2026-08-14
mediumCVE-2026-17209: IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to execute …nvd · 2026-08-14
criticalCVE-2026-17186: IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to execute arbitrary CL c…nvd · 2026-08-14
criticalCVE-2026-17184: IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to execute arbitrary code…nvd · 2026-08-14