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CVE-2026-16930: IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected

30
Routine
HIGH 8.2UPGRADEUPGRADEUPGRADE

CVE-2026-16930 is a high-severity flaw (CVSS 8.2) affecting power system e1180 \(9080-heu\) firmware, power system s1122 \(9824-22a\) firmware, power system s1124 \(9824-42a\) firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with service account or root access to the BMC/FSP can execute arbitrary code on the host system, giving full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score8.2 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededHigh
User interactionNone
EPSS exploit chance0.2% (top 93%)
CISA exploited listNo
WeaknessCWE-862
Published2026-08-19
Last modified2026-08-24
Publisher (CNA): IBM Corporation · Vendor: ibm

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Last updated 2026-08-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

ibm power system e1180 \(9080-heu\) firmware UPGRADE
Affected: >= fw1110.00 and < fw1110.31 · fw1120.00
Fixed in: fw1110.31
Safe to downgrade to: a release before fw1110.00
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
ibm power system s1122 \(9824-22a\) firmware UPGRADE
Affected: >= fw1110.00 and < fw1110.31 · fw1120.00
Fixed in: fw1110.31
Safe to downgrade to: a release before fw1110.00
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
ibm power system s1124 \(9824-42a\) firmware UPGRADE
Affected: >= fw1110.00 and < fw1110.31 · fw1120.00
Fixed in: fw1110.31
Safe to downgrade to: a release before fw1110.00
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
ibm power system s1122s \(9824-22b\) firmware UPGRADE
Affected: >= fw1110.00 and < fw1110.31 · fw1120.00
Fixed in: fw1110.31
Safe to downgrade to: a release before fw1110.00
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
ibm power system s1114 \(9824-41b\) firmware UPGRADE
Affected: >= fw1110.00 and < fw1110.31 · fw1120.00
Fixed in: fw1110.31
Safe to downgrade to: a release before fw1110.00
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
ibm power system l1122 \(9856-22h\) firmware UPGRADE
Affected: >= fw1110.00 and < fw1110.31 · fw1120.00
Fixed in: fw1110.31
Safe to downgrade to: a release before fw1110.00
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-16930?

power system e1180 \(9080-heu\) firmware: upgrade to fw1110.31; power system s1122 \(9824-22a\) firmware: upgrade to fw1110.31; power system s1124 \(9824-42a\) firmware: upgrade to fw1110.31. Exact commands for each OS are on this page.

Is CVE-2026-16930 being exploited?

CVE-2026-16930 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-16930 affect?

CVE-2026-16930 affects power system e1180 \(9080-heu\) firmware, power system s1122 \(9824-22a\) firmware, power system s1124 \(9824-42a\) firmware. Severity is high (CVSS 8.2). IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with service account or root access to t

How urgent is CVE-2026-16930?

Priority 30/100. High severity

Related CVEs

References

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