CVE•Published 2026-08-19•Modified 2026-08-25•1 article on news•4 live references•NVD data
CVE-2026-16661Ibm · Power_system_s1122_\(9824-22a\)_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
3
Exploit Prediction Scoring System · top 97% of all CVEs
Weaknesses (CWE)
Description
IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability, allowing arbitrary code to be executed in the host firmware runtime, giving full control over the managed system, resulting in a confidentiality, integrity, and availability impact to the managed system.
Timeline
Published 2026-08-19
Modified 2026-08-25
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-16661Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Power System S1122 \(9824-22a\) Firmware"Hosts Shodan identified as running Power System S1122 \(9824-22a\) Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2026-16661Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-16661Censys host search filtered to this CVE id.
grep.app
CVE-2026-16661Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-16661GitHub code search for direct mentions.
Google dork
"CVE-2026-16661" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.