CVE-2026-17223Patch(ibm / i)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch ibm i systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a buffer overflow.

ibm CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://www.ibm.com/support/pages/node/7283578

Weakness type (CWE)

CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Affected systems

Vendors

ibm

Products

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets2 URLs

By indicator

Full discourse1 post

CCB Alert@CCBalert46d
Patch
Warning: High-severity Buffer Overflow vulnerability in #IBMi! #CVE-2026-17223 CVSS: 8.8 makes authenticated #RCE possible via out-of-bounds write. Affects IBM i 7.3–7.6. More info at: https://www.ibm.com/support/pages/node/7283578 and https://ccb.belgium.be/advisories/warning-multiple-severe-vulnerabilities-affecting-ibm-i-patch-immediately #Patch #Patch #Patch
Post summary
High‑severity buffer overflow CVE‑2026‑17223 on IBM i 7.3–7.6 enables authenticated RCE; IBM and Belgian advisory provide patches to mitigate the flaw.
00000426
7.2K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	ibm	i	-	-	-

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