CVE-2026-16678 (CVSS 4.5)

Description

IBM Power Systems Firmware FW1110.00 through FW1110.31, FW1120.00 through FW1120.01, and FW1060.00 through FW1060.81 could allow a remote authenticated attacker to cause a denial of service by exhausting connection resources due to improper resource management.

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CVSS v3.1 Score

4.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-772 CWE-772

References

Other References

https://www.ibm.com/support/pages/node/7287270

Frequently Asked Questions

What is CVE-2026-16678? +

IBM Power Systems Firmware FW1110.00 through FW1110.31, FW1120.00 through FW1120.01, and FW1060.00 through FW1060.81 could allow a remote authenticated attacker to cause a denial of service by exhausting connection resources due to improper resource management. It has a CVSS v3.1 base score of 4.5 (MEDIUM).

How severe is CVE-2026-16678? +

CVE-2026-16678 has a CVSS v3.1 score of 4.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-16678? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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