Details of VAR-202607-9821

ID

VAR-202607-9821

CVE

CVE-2026-11885

TITLE

IBM of Power System E1050 (9043-MRX) Firmware Classic buffer overflow vulnerabilities in multiple products, including

Trust: 0.8

sources: JVNDB: JVNDB-2026-030420

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. • All information handled by the software may be overwritten. • The software may be completely shut down

Trust: 1.62

sources: NVD: CVE-2026-11885 // JVNDB: JVNDB-2026-030420

AFFECTED PRODUCTS

vendor:	ibm	model:	power system h924 \	scope:	lt	version:	fw950.h2	Trust: 2.0
vendor:	ibm	model:	power system h924 \	scope:	gte	version:	fw950.00	Trust: 2.0
vendor:	ibm	model:	power system h922 \	scope:	gte	version:	fw950.00	Trust: 2.0
vendor:	ibm	model:	power system s924 \	scope:	lt	version:	fw950.h2	Trust: 2.0
vendor:	ibm	model:	power system s922 \	scope:	lt	version:	fw950.h2	Trust: 2.0
vendor:	ibm	model:	power system s914 \	scope:	lt	version:	fw950.h2	Trust: 2.0
vendor:	ibm	model:	power system s924 \	scope:	gte	version:	fw950.00	Trust: 2.0
vendor:	ibm	model:	power system s922 \	scope:	gte	version:	fw950.00	Trust: 2.0
vendor:	ibm	model:	power system h922 \	scope:	lt	version:	fw950.h2	Trust: 2.0
vendor:	ibm	model:	power system s914 \	scope:	gte	version:	fw950.00	Trust: 2.0
vendor:	ibm	model:	power system h922	scope:	-	version:	-	Trust: 1.6
vendor:	ibm	model:	power system s914	scope:	-	version:	-	Trust: 1.6
vendor:	ibm	model:	power system s922	scope:	-	version:	-	Trust: 1.6
vendor:	ibm	model:	power system s924	scope:	-	version:	-	Trust: 1.6
vendor:	ibm	model:	power system h924	scope:	-	version:	-	Trust: 1.6
vendor:	ibm	model:	power system e1050 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system e980 \	scope:	lt	version:	fw950.h2	Trust: 1.0
vendor:	ibm	model:	power system s1124 \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system e950 \	scope:	gte	version:	fw950.00	Trust: 1.0
vendor:	ibm	model:	power system l1022 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system s1012 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system l1122 \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system s1114 \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system l1124 \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system l922 \	scope:	gte	version:	fw950.00	Trust: 1.0
vendor:	ibm	model:	power system s1124 \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system s1014 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system e1180 \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system s1022 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system e980 \	scope:	gte	version:	fw950.00	Trust: 1.0
vendor:	ibm	model:	power system s1022s \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system l1124 \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system l1024 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system s1114 \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system s1024 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system e1150 \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system e1080 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system s1022 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system e1150 \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system l1022 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system s1122 \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system e1050 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system s1122 \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system s1122s \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system s1014 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system s1022s \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system s1012 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system l1024 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system l922 \	scope:	lt	version:	fw950.h2	Trust: 1.0
vendor:	ibm	model:	power system s1122s \	scope:	gte	version:	fw1110.00	Trust: 1.0
vendor:	ibm	model:	power system l1122 \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system e950 \	scope:	lt	version:	fw950.h2	Trust: 1.0
vendor:	ibm	model:	power system s1024 \	scope:	lt	version:	fw1060.72	Trust: 1.0
vendor:	ibm	model:	power system e1080 \	scope:	gte	version:	fw1060.00	Trust: 1.0
vendor:	ibm	model:	power system e1180 \	scope:	lt	version:	fw1110.30	Trust: 1.0
vendor:	ibm	model:	power system e1050	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system e1080	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1122	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system e1180	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1114	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1122s	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1022s	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system e950	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system l1024	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1012	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system l1122	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1022	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1014	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1024	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system l1124	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system e980	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system l1022	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system l922	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system e1150	scope:	-	version:	-	Trust: 0.8
vendor:	ibm	model:	power system s1124	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2026-030420 // NVD: CVE-2026-11885

CVSS

SEVERITY

CVSSV2

CVSSV3

psirt@us.ibm.com:	CVE-2026-11885
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2026-030420
value:	HIGH
Trust: 0.8

psirt@us.ibm.com:	CVE-2026-11885
baseSeverity:	HIGH
baseScore:	8.4
vectorString:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.0
impactScore:	5.8
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2026-030420
baseSeverity:	HIGH
baseScore:	8.4
vectorString:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2026-030420 // NVD: CVE-2026-11885

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.0
problemtype:	Classic buffer overflow (CWE-120) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2026-030420 // NVD: CVE-2026-11885

PATCH

title:

Security Bulletin

url:

https://www.ibm.com/support/pages/node/7280628

Trust: 0.8

sources: JVNDB: JVNDB-2026-030420

EXTERNAL IDS

db:	NVD	id:	CVE-2026-11885	Trust: 2.6
db:	JVNDB	id:	JVNDB-2026-030420	Trust: 0.8

sources: JVNDB: JVNDB-2026-030420 // NVD: CVE-2026-11885

REFERENCES

url:	https://www.ibm.com/support/pages/node/7280628	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-11885	Trust: 0.8

sources: JVNDB: JVNDB-2026-030420 // NVD: CVE-2026-11885

SOURCES

db:	JVNDB	id:	JVNDB-2026-030420
db:	NVD	id:	CVE-2026-11885

LAST UPDATE DATE

2026-08-28T23:24:18.326000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-030420	date:	2026-08-27T07:39:00
db:	NVD	id:	CVE-2026-11885	date:	2026-08-26T14:32:26.170

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-030420	date:	2026-08-27T00:00:00
db:	NVD	id:	CVE-2026-11885	date:	2026-07-30T17:16:27.760