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CVE-2026-93306: IBM Server Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and

27
Routine
HIGH 7.1UPGRADEUPGRADEUPGRADE

CVE-2026-93306 is a high-severity flaw (CVSS 7.1) affecting power system e1080 \(9080-hex\) firmware, power system e1180 \(9080-heu\) firmware, power system s922 \(9009-22g\) firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Server Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the ASMI web interface. An unauthenticated attacker on the management network can send a malformed HTTPS request to ASMI, causing the web server to crash with possible memory corruption and generate an error log. The ASMI web interface will restart automatically; however, repeat

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.1 (High)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 93%)
CISA exploited listNo
WeaknessCWE-125
Published2026-09-25
Last modified2026-09-30
Publisher (CNA): IBM Corporation · Vendor: ibm

Share: LinkedIn · X · Reddit

Last updated 2026-09-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

ibm power system e1080 \(9080-hex\) firmware UPGRADE
Affected: >= fw1060.00 and < fw1060.82
Fixed in: fw1060.82
Safe to downgrade to: a release before fw1060.00
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 e1180 \(9080-heu\) firmware UPGRADE
Affected: >= fw1110.00 and < fw1110.32 · >= fw1120.00 and < fw1120.02
Fixed in: fw1110.32, fw1120.02
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 s922 \(9009-22g\) firmware UPGRADE
Affected: >= fw950.00 and < fw950.h4
Fixed in: fw950.h4
Safe to downgrade to: a release before fw950.00
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 h922 \(9223-22s\) firmware UPGRADE
Affected: >= fw950.00 and < fw950.h4
Fixed in: fw950.h4
Safe to downgrade to: a release before fw950.00
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 s914 \(9009-41g\) firmware UPGRADE
Affected: >= fw950.00 and < fw950.h4
Fixed in: fw950.h4
Safe to downgrade to: a release before fw950.00
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 s924 \(9009-42g\) firmware UPGRADE
Affected: >= fw950.00 and < fw950.h4
Fixed in: fw950.h4
Safe to downgrade to: a release before fw950.00
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-2026-93306?

power system e1080 \(9080-hex\) firmware: upgrade to fw1060.82; power system e1180 \(9080-heu\) firmware: upgrade to fw1110.32, fw1120.02; power system s922 \(9009-22g\) firmware: upgrade to fw950.h4. Exact commands for each OS are on this page.

Is CVE-2026-93306 being exploited?

CVE-2026-93306 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-2026-93306 affect?

CVE-2026-93306 affects power system e1080 \(9080-hex\) firmware, power system e1180 \(9080-heu\) firmware, power system s922 \(9009-22g\) firmware. Severity is high (CVSS 7.1). IBM Server Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the ASMI web interface. An unauthenticated attacker on the management

How urgent is CVE-2026-93306?

Priority 27/100. High severity

Related CVEs

References

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