CVE-2026-15961

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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 0.8}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.80:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "PowerVM Hypervisor", "versions": [{"status": "affected", "version": "FW1120.00"}, {"status": "affected", "version": "FW1110.00", "versionType": "semver", "lessThanOrEqual": "FW1110.30"}, {"status": "affected", "version": "FW1060.00", "versionType": "semver", "lessThanOrEqual": "FW1060.80"}]}]}], "published": "2026-08-19T15:16:56.413", "references": [{"url": "https://www.ibm.com/support/pages/node/7283228", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Undergoing Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-134"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-08-25T20:29:27.363", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:ibm:power_system_s1122_\\(9824-22a\\)_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C016EFBA-A371-4264-A823-A7635D39F6D9", "versionEndExcluding": "fw1110.31", "versionStartIncluding": "fw1110.00"}, {"criteria": 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