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6.8Medium

Ibm Power System S922 \(9009-22g\) Firmware

CVE-2026-18681

IBM Server Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP firmware update process. An attacker with authenticated administrator-level access to the FSP can, under specific conditions, execute arbitrary code, resulting in a confidentiality, integrity, and availability impact.

What this means for your business

  • It affects Ibm Power System S922 \(9009-22g\) Firmware. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it from inside the same network, with an administrator login, and without anyone at your company clicking anything.
  • FIRST's prediction model gives it a 0.2% chance of attack attempts being seen in the next 30 days, ranking above 10% of all known flaws.

What to do

  1. 1Check whether your company or your suppliers run Ibm Power System S922 \(9009-22g\) Firmware, and which version. The affected versions are listed further down this page.
  2. 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Check if you’re exposedBook a call

Scoring

CVSS
6.8 (v3.1)
Vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-121
Assigned by
psirt@us.ibm.com

Dates

Published
2026-08-19
Last modified
2026-08-25
Sources
NVD

Affected products

  • Ibm Power System S922 \(9009-22g\) Firmwarefw950.00 - fw950.h3
  • Ibm Power System S922 \(9009-22g\)all versions
  • Ibm Power System H922 \(9223-22s\) Firmwarefw950.00 - fw950.h3
  • Ibm Power System H922 \(9223-22s\)all versions
  • Ibm Power System S914 \(9009-41g\) Firmwarefw950.00 - fw950.h3
  • Ibm Power System S914 \(9009-41g\)all versions
  • Ibm Power System S924 \(9009-42g\) Firmwarefw950.00 - fw950.h3
  • Ibm Power System S924 \(9009-42g\)all versions
  • Ibm Power System H924 \(9223-42s\) Firmwarefw950.00 - fw950.h3
  • Ibm Power System H924 \(9223-42s\)all versions
  • Ibm Power System E950 \(9040-Mr9\) Firmwarefw950.00 - fw950.h3
  • Ibm Power System E950 \(9040-Mr9\)all versions

As listed in the NVD configuration data. Not a statement about your estate.

References