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Vulnerability record · CVE-2026-11885 · published 30 July 2026

CVE-2026-11885: Ibm power system s1122 \(9824-22a\) firmware classic buffer overflow vulnerability

Ibm · Power System S1122 \(9824 22a\) Firmware

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.

8.4 CVSS 3.1 High EPSS 0.15% · top 96.6% CWE-120 · Classic buffer overflow
8.4CVSS 3.1 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
30Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

Description

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.

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

Affected products

30 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7280628 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-11885), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.