CVE-2026-17429

highpriority · track · 0OT risk · elevatedEPSS 0.002 · 4 %ileUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.15% (4th) EPSS
CVSS 8.1 · high
Is it mine?
38 products
Check your exposure
Who says so?
1 sources
nvd

EPSS · scored 2026-10-27

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1 (Power9), and OP940.00 - OP940.81 (Power HMC) 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 write arbitrary data to hardware control registers, allowing full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.

01

cvss

Technical severity, 0–10. One row per scoring source.

8.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:Hsecondary · psirt@us.ibm.com USexploitability 1.5 · impact 6
v3.17.4highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863US
04

affected products (38)

Products and version ranges known to be affected.

showing 20 of 38
05

sources

Which sources assert this record, and when.

nvdNVDCVE.orgMITRE
published 2026-08-19modified 2026-08-25
06

references (1) nvd

External citations — patches, advisories, analysis.

scry

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