CVE-2026-4932

MEDIUMNVD 4.64.6—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.6 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 100% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
4.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.6Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
4.6
EG Score
4.6(medium)
EG Risk
21(Track)
EG Risk 21/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity46% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

July 28, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Jul 28, 2026
No patch confirmed yet.
generic

Security Bulletin: This Power System update is being released to address CVE-2026-4932

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

Vendor Advisories for CVE-2026-4932(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 54× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 05:16 UTCGHSA enrichment
  2. 2026-09-18 01:59 UTCEG score recompute
  3. 2026-09-18 01:59 UTCGHSA enrichment
  4. 2026-09-16 14:08 UTCEPSS rescore
  5. 2026-09-16 11:50 UTCEG score recompute
  6. 2026-09-16 11:50 UTCGHSA enrichment
  7. 2026-09-16 05:15 UTCEPSS rescore
  8. 2026-09-15 09:04 UTCGHSA enrichment
  9. 2026-09-14 08:55 UTCGHSA enrichment
  10. 2026-09-13 08:46 UTCEG score recompute
  11. 2026-09-13 08:46 UTCGHSA enrichment
  12. 2026-09-12 08:37 UTCEG score recompute
  13. 2026-09-12 08:37 UTCGHSA enrichment
  14. 2026-09-11 14:53 UTCEPSS rescore
  15. 2026-09-11 08:18 UTCEG score recompute
  16. 2026-09-11 08:18 UTCGHSA enrichment
  17. 2026-09-10 09:35 UTCEPSS rescore
  18. 2026-09-10 08:08 UTCGHSA enrichment
  19. 2026-09-09 08:00 UTCEG score recompute
  20. 2026-09-09 07:59 UTCGHSA enrichment
  21. 2026-09-08 22:01 UTCEPSS rescore
  22. 2026-09-07 23:27 UTCGHSA enrichment
  23. 2026-09-06 23:13 UTCGHSA enrichment
  24. 2026-09-05 19:09 UTCEG score recompute
  25. 2026-09-05 19:09 UTCGHSA enrichment
Show 71 more
  1. 2026-09-04 12:00 UTCEG score recompute
  2. 2026-09-04 12:00 UTCGHSA enrichment
  3. 2026-09-04 05:06 UTCEPSS rescore
  4. 2026-09-02 00:54 UTCGHSA enrichment
  5. 2026-09-01 00:45 UTCGHSA enrichment
  6. 2026-08-30 23:39 UTCGHSA enrichment
  7. 2026-08-29 23:30 UTCEG score recompute
  8. 2026-08-29 23:30 UTCGHSA enrichment
  9. 2026-08-28 21:41 UTCEPSS rescore
  10. 2026-08-27 20:57 UTCEG score recompute
  11. 2026-08-27 20:57 UTCGHSA enrichment
  12. 2026-08-27 14:25 UTCEPSS rescore
  13. 2026-08-26 16:20 UTCEG score recompute▲ 0.40
  14. 2026-08-26 16:20 UTCGHSA enrichment
  15. 2026-08-26 16:17 UTCNVD updateCVSS v3 → 4.6
  16. 2026-08-26 14:46 UTCEPSS rescore
  17. 2026-08-26 00:53 UTCEG score recompute
  18. 2026-08-26 00:53 UTCGHSA enrichment
  19. 2026-08-25 13:49 UTCEPSS rescore
  20. 2026-08-25 00:45 UTCEG score recompute
  21. 2026-08-25 00:45 UTCGHSA enrichment
  22. 2026-08-24 00:36 UTCGHSA enrichment
  23. 2026-08-23 00:28 UTCEG score recompute
  24. 2026-08-23 00:28 UTCGHSA enrichment
  25. 2026-08-23 00:19 UTCEPSS rescore
  26. 2026-08-22 00:16 UTCGHSA enrichment
  27. 2026-08-21 00:08 UTCEG score recompute
  28. 2026-08-21 00:08 UTCGHSA enrichment
  29. 2026-08-20 22:55 UTCEPSS rescore
  30. 2026-08-19 23:59 UTCGHSA enrichment
  31. 2026-08-18 23:49 UTCGHSA enrichment
  32. 2026-08-17 23:40 UTCEG score recompute
  33. 2026-08-17 23:40 UTCGHSA enrichment
  34. 2026-08-17 13:47 UTCEPSS rescore
  35. 2026-08-16 23:31 UTCEG score recompute
  36. 2026-08-16 23:31 UTCGHSA enrichment
  37. 2026-08-16 02:14 UTCEPSS rescore
  38. 2026-08-15 23:23 UTCGHSA enrichment
  39. 2026-08-14 23:14 UTCGHSA enrichment
  40. 2026-08-13 23:05 UTCGHSA enrichment
  41. 2026-08-12 22:55 UTCGHSA enrichment
  42. 2026-08-11 22:47 UTCEG score recompute
  43. 2026-08-11 22:47 UTCGHSA enrichment
  44. 2026-08-10 22:39 UTCGHSA enrichment
  45. 2026-08-09 22:30 UTCGHSA enrichment
  46. 2026-08-08 22:22 UTCEG score recompute
  47. 2026-08-08 22:22 UTCGHSA enrichment
  48. 2026-08-08 16:37 UTCEPSS rescore
  49. 2026-08-07 22:14 UTCEG score recompute
  50. 2026-08-07 22:14 UTCGHSA enrichment
  51. 2026-08-06 22:05 UTCGHSA enrichment
  52. 2026-08-05 21:57 UTCEG score recompute
  53. 2026-08-05 21:57 UTCGHSA enrichment
  54. 2026-08-05 19:17 UTCEPSS rescore
  55. 2026-08-04 21:49 UTCEG score recompute
  56. 2026-08-04 21:49 UTCGHSA enrichment
  57. 2026-08-04 15:10 UTCEPSS rescore
  58. 2026-08-04 10:39 UTCEPSS rescore
  59. 2026-08-03 21:40 UTCGHSA enrichment
  60. 2026-08-02 21:32 UTCGHSA enrichment
  61. 2026-08-01 21:24 UTCGHSA enrichment
  62. 2026-07-31 21:15 UTCGHSA enrichment
  63. 2026-07-30 21:07 UTCEG score recompute
  64. 2026-07-30 21:07 UTCGHSA enrichment
  65. 2026-07-30 01:30 UTCEPSS rescore
  66. 2026-07-29 20:55 UTCEG score recompute
  67. 2026-07-29 20:55 UTCGHSA enrichment
  68. 2026-07-28 19:26 UTCEG score recompute
  69. 2026-07-28 18:59 UTCEG score recompute
  70. 2026-07-28 18:23 UTCEG score recompute
  71. 2026-07-28 18:22 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-4932?
CVE-2026-4932 is a medium vulnerability published on July 28, 2026. 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.
When was CVE-2026-4932 disclosed?
CVE-2026-4932 was first published in the National Vulnerability Database on July 28, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4932 actively exploited?
CVE-2026-4932 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.7% of all scored CVEs.
What is the CVSS score of CVE-2026-4932?
CVE-2026-4932 has a CVSS v3 base score of 4.6 (NVD).
How do I remediate CVE-2026-4932?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4932, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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