How severe is CVE-2026-4932?

CVE-2026-4932 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-4932 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4932?

CVE-2026-4932 primarily affects Ibm Power System S1122 (9824-22a) Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-4932?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-4932 published?

CVE-2026-4932 was published on 2026-07-28 and last updated on 2026-08-26.

CVE-2026-4932

CVE-2026-4932 is a medium-severity vulnerability in Ibm Power System S1122 (9824-22a) Firmware with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-331.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-331
Affected product: Ibm Power System S1122 (9824-22a) Firmware
Published: 2026-07-28
Last modified: 2026-08-26

Description

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, and FW1060.00 through FW1060.71 could allow an attacker with physical access to the Transparent Memory Encryption (TME) hardware to decrypt encrypted memory due to insufficient cryptographic entropy.

Frequently asked questions

What is CVE-2026-4932?: IBM PowerVM Hypervisor FW1110.00 through FW1110.20, and FW1060.00 through FW1060.71 could allow an attacker with physical access to the Transparent Memory Encryption (TME) hardware to decrypt encrypted memory due to insufficient cryptographic entropy.
How severe is CVE-2026-4932?: CVE-2026-4932 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-4932 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4932?: CVE-2026-4932 primarily affects Ibm Power System S1122 (9824-22a) Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-4932?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-4932 published?: CVE-2026-4932 was published on 2026-07-28 and last updated on 2026-08-26.

References

https://www.ibm.com/support/pages/node/7280632

Affected products (17)

cpe:2.3:o:ibm:power_system_s1122_\(9824-22a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1124_\(9824-42a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1122s_\(9824-22b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1114_\(9824-41b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1122_\(9856-22h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1124_\(9856-42h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1150_\(9043-mru\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1022_\(9105-22a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1024_\(9105-42a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1022s_\(9105-22b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1014_\(9105-41b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1022_\(9786-22h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1024_\(9786-42h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1050_\(9043-mrx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1012_\(9028-21b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1180_\(9080-heu\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1080_\(9080-hex\)_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Power System S1122 (9824-22a) Firmware

CVE-2026-17091 — High (CVSS 8.4): IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through…
CVE-2026-11885 — High (CVSS 8.4): IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A…
CVE-2026-16933 — High (CVSS 8.2): IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through…
CVE-2026-16707 — High (CVSS 8.2): IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through…
CVE-2026-16661 — High (CVSS 8.2): IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through…
CVE-2026-17494 — High (CVSS 8.2): IBM Power Systems Firmware FW1120.00, and FW1110.00 through FW1110.30 is affected by a vulnerability in the interface…

All CVEs affecting Ibm Power System S1122 (9824-22a) Firmware →

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