CVE-2026-11885

Power System update in Buffer Copy

HIGH
8.4
CVSS Score
Published: July 30, 2026 at 04:38 PM UTC
Updated: October 23, 2026 at 10:10 PM UTC
31 products affected across 1 vendorPowerVM HypervisorPower System E1080 (9080-hex ) FirmwarePower System E1180 (9080-heu ) Firmware· also runs on 30 platforms

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Severity
HIGH8.4
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

fw1060.00 ≤ v < fw1060.72
ibm-power-system-e1050-9043-mrx (same device)
fw1060.00 ≤ v < fw1060.72
ibm-power-system-e1080-9080-hex (same device)
fw1110.00 ≤ v < fw1110.30
ibm-power-system-e1150-9043-mru (same device)
fw1110.00 ≤ v < fw1110.30
ibm-power-system-e1180-9080-heu (same device)
fw950.00 ≤ v < fw950.h2
ibm-power-system-e950-9040-mr9 (same device)
fw950.00 ≤ v < fw950.h2
ibm-power-system-e980-9080-m9s (same device)
fw950.00 ≤ v < fw950.h2
ibm-power-system-h922-9223-22h (same device)
fw950.00 ≤ v < fw950.h2
ibm-power-system-h922-9223-22s (same device)
fw950.00 ≤ v < fw950.h2
ibm-power-system-h924-9223-42h (same device)
fw950.00 ≤ v < fw950.h2
ibm-power-system-h924-9223-42s (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://www.ibm.com/support/pages/node/7280628

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.4HIGHibm
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120

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