Vulnerability · Published Aug 19, 2026 · Assigned by ibm

CVE-2026-15961Power System Information Disclosure

Medium 5.2

In plain English

A medium-severity security flaw in PowerVM Hypervisor from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)5.2Medium
Exploit odds (30 days)0.1%top 97.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
IBM PowerVM Hypervisor FW1120.00FW1110.00 – through FW1110.30FW1060.00 – through FW1060.80

Weakness: CWE-134 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H

References