CVE-2026-11885
Power System update in Buffer Copy
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.
INFO
Published Date :
July 30, 2026, 5:16 p.m.
Last Modified :
July 30, 2026, 7:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-11885
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 9a959283-ebb5-44b6-b705-dcc2bbced522 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Update IBM PowerVM hypervisor firmware.
- Apply the latest service pack or fix pack.
- Consult IBM support for specific version guidance.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-11885.
| URL | Resource |
|---|---|
| https://www.ibm.com/support/pages/node/7280628 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-11885 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-11885
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-11885 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-11885 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 30, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-11885', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-30T17:32:31.432254Z'} -
New CVE Received by [email protected]
Jul. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw1110.20:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw1110.20.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw1060.71:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw1060.71.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw950.00:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw950.00.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw950.h1:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:powervm_hypervisor:fw950.h1.0:*:*:*:*:*:*:*'], 'vendor': 'IBM', 'product': 'PowerVM Hypervisor', 'versions': [{'status': 'affected', 'version': 'FW1110.00', 'versionType': 'semver', 'lessThanOrEqual': 'FW1110.20'}, {'status': 'affected', 'version': 'FW1060.00', 'versionType': 'semver', 'lessThanOrEqual': 'FW1060.71'}, {'status': 'affected', 'version': 'FW950.00', 'versionType': 'semver', 'lessThanOrEqual': 'FW950.H1'}]}] Added 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. Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H Added CWE CWE-120 Added Reference https://www.ibm.com/support/pages/node/7280628