CVE-2026-11885
Power System update in Buffer Copy
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.4
Power System update in Buffer Copy
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.
- Record
CVE-2026-11885- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2026-51238
8.4
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.
- Record
EUVD-2026-51238- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-f687-cr2f-7jv7
8.4
IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00...
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.
- Record
GHSA-f687-cr2f-7jv7- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
8.4
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.
- Record
CVE-2026-11885- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- ibm powervm hypervisor
- ibm power system e1050 \(9043-mrx\) firmware
- ibm power system e1080 \(9080-hex\) firmware
- ibm power system e1150 \(9043-mru\) firmware
- ibm power system e1180 \(9080-heu\) firmware
- ibm power system e950 \(9040-mr9\) firmware
- ibm power system e980 \(9080-m9s\) firmware
- ibm power system h922 \(9223-22h\) firmware
- ibm power system h922 \(9223-22s\) firmware
- ibm power system h924 \(9223-42h\) firmware
- ibm power system h924 \(9223-42s\) firmware
- ibm power system l1022 \(9786-22h\) firmware
Show 19 moreShow less
- ibm power system l1024 \(9786-42h\) firmware
- ibm power system l1122 \(9856-22h\) firmware
- ibm power system l1124 \(9856-42h\) firmware
- ibm power system l922 \(9008-22l\) firmware
- ibm power system s1012 \(9028-21b\) firmware
- ibm power system s1014 \(9105-41b\) firmware
- ibm power system s1022 \(9105-22a\) firmware
- ibm power system s1022s \(9105-22b\) firmware
- ibm power system s1024 \(9105-42a\) firmware
- ibm power system s1114 \(9824-41b\) firmware
- ibm power system s1122 \(9824-22a\) firmware
- ibm power system s1122s \(9824-22b\) firmware
- ibm power system s1124 \(9824-42a\) firmware
- ibm power system s914 \(9009-41a\) firmware
- ibm power system s914 \(9009-41g\) firmware
- ibm power system s922 \(9009-22a\) firmware
- ibm power system s922 \(9009-22g\) firmware
- ibm power system s924 \(9009-42a\) firmware
- ibm power system s924 \(9009-42g\) firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-11885 is a high vulnerability (CVSS 8.4) in Ibm Powervm Hypervisor, published July 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.