CVE-2026-15961 | BDVDB-2026-362190 Detail

IBMPowerVM Hypervisor

Description#

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 IBM PowerVM could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact high. Attack vector: local.

Weaknesses#

CWE-134 Use of Externally-Controlled Format String

References#

https://www.ibm.com/support/pages/node/7283228

Exploit#

No public exploit known

History#

Version 12026-08-19Record published in the CVE List.
Version 22026-08-20Most recent update recorded in the CVE List.

Published

Published: 2026-08-19
Last modified: 2026-08-20

Vendor information

Vendor: IBM
Product: PowerVM Hypervisor

All IBM vulnerabilities

Score

5.2 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 2.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Format String

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
FW1120.00
Fixed
Not stated
Vulnerable
>= FW1110.00 and <= FW1110.30
Fixed
Not stated
Vulnerable
>= FW1060.00 and <= FW1060.80
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.2 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).