CVE-2026-26142

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-09. the CNA's CVSS baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

Deserialization of untrusted data in Nuance PowerScribe allows an unauthorized attacker to execute code over a network.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
77.4%
KEV
Not listed

Published

June 9, 2026

Last Modified

July 1, 2026

Advisory Details (1)

Auto-updated Jul 4, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26142

Vendor Advisories for CVE-2026-26142(2)

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 92× in last 7d / 440× 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.

Showing the most recent 100 of 440 total refreshes for this CVE.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-06 01:49 UTCEG score recompute
  6. 2026-07-06 01:49 UTCVendor advisory
  7. 2026-07-06 01:49 UTCGHSA enrichment
  8. 2026-07-05 21:42 UTCEG score recompute
  9. 2026-07-05 21:42 UTCVendor advisory
  10. 2026-07-05 21:42 UTCGHSA enrichment
  11. 2026-07-05 16:41 UTCEG score recompute
  12. 2026-07-05 16:41 UTCVendor advisory
  13. 2026-07-05 16:40 UTCGHSA enrichment
  14. 2026-07-05 12:13 UTCEG score recompute
  15. 2026-07-05 12:13 UTCVendor advisory
  16. 2026-07-05 12:13 UTCGHSA enrichment
  17. 2026-07-05 02:30 UTCEPSS rescore
  18. 2026-07-05 00:38 UTCEG score recompute
  19. 2026-07-05 00:38 UTCVendor advisory
  20. 2026-07-05 00:38 UTCGHSA enrichment
  21. 2026-07-04 19:39 UTCEG score recompute
  22. 2026-07-04 19:39 UTCVendor advisory
  23. 2026-07-04 19:39 UTCGHSA enrichment
  24. 2026-07-04 13:24 UTCEG score recompute
  25. 2026-07-04 13:24 UTCVendor advisory
Show 75 more
  1. 2026-07-04 13:24 UTCGHSA enrichment
  2. 2026-07-04 06:31 UTCEPSS rescore
  3. 2026-07-04 06:31 UTCEPSS rescore
  4. 2026-07-03 23:50 UTCEG score recompute
  5. 2026-07-03 23:50 UTCVendor advisory
  6. 2026-07-03 23:50 UTCGHSA enrichment
  7. 2026-07-03 19:42 UTCEG score recompute
  8. 2026-07-03 19:42 UTCVendor advisory
  9. 2026-07-03 19:42 UTCGHSA enrichment
  10. 2026-07-03 15:36 UTCEG score recompute
  11. 2026-07-03 15:36 UTCVendor advisory
  12. 2026-07-03 15:36 UTCGHSA enrichment
  13. 2026-07-03 08:48 UTCEG score recompute
  14. 2026-07-03 08:48 UTCVendor advisory
  15. 2026-07-03 08:47 UTCGHSA enrichment
  16. 2026-07-03 00:53 UTCEG score recompute
  17. 2026-07-03 00:53 UTCVendor advisory
  18. 2026-07-03 00:53 UTCGHSA enrichment
  19. 2026-07-02 20:40 UTCEG score recompute
  20. 2026-07-02 20:40 UTCVendor advisory
  21. 2026-07-02 20:40 UTCGHSA enrichment
  22. 2026-07-02 16:32 UTCEG score recompute
  23. 2026-07-02 16:32 UTCVendor advisory
  24. 2026-07-02 16:32 UTCGHSA enrichment
  25. 2026-07-02 12:20 UTCEG score recompute
  26. 2026-07-02 12:20 UTCVendor advisory
  27. 2026-07-02 12:19 UTCGHSA enrichment
  28. 2026-07-02 08:13 UTCEG score recompute
  29. 2026-07-02 08:13 UTCVendor advisory
  30. 2026-07-02 08:13 UTCGHSA enrichment
  31. 2026-07-02 04:05 UTCEG score recompute
  32. 2026-07-02 04:05 UTCVendor advisory
  33. 2026-07-02 04:04 UTCGHSA enrichment
  34. 2026-07-01 23:57 UTCEG score recompute
  35. 2026-07-01 23:57 UTCVendor advisory
  36. 2026-07-01 23:57 UTCGHSA enrichment
  37. 2026-07-01 19:51 UTCEG score recompute
  38. 2026-07-01 19:51 UTCVendor advisory
  39. 2026-07-01 19:51 UTCGHSA enrichment
  40. 2026-07-01 15:44 UTCEG score recompute
  41. 2026-07-01 15:44 UTCVendor advisory
  42. 2026-07-01 15:44 UTCGHSA enrichment
  43. 2026-07-01 15:06 UTCEPSS rescore
  44. 2026-07-01 15:06 UTCEPSS rescore
  45. 2026-07-01 11:35 UTCEG score recompute
  46. 2026-07-01 11:35 UTCVendor advisory
  47. 2026-07-01 11:35 UTCGHSA enrichment
  48. 2026-07-01 07:29 UTCEG score recompute
  49. 2026-07-01 07:29 UTCVendor advisory
  50. 2026-07-01 07:29 UTCGHSA enrichment
  51. 2026-07-01 03:22 UTCEG score recompute
  52. 2026-07-01 03:22 UTCVendor advisory
  53. 2026-07-01 03:22 UTCGHSA enrichment
  54. 2026-06-30 23:22 UTCEPSS rescore
  55. 2026-06-30 23:22 UTCEPSS rescore
  56. 2026-06-30 23:15 UTCEG score recompute
  57. 2026-06-30 23:15 UTCVendor advisory
  58. 2026-06-30 23:15 UTCGHSA enrichment
  59. 2026-06-30 19:08 UTCEG score recompute
  60. 2026-06-30 19:08 UTCVendor advisory
  61. 2026-06-30 19:08 UTCGHSA enrichment
  62. 2026-06-30 15:01 UTCEG score recompute
  63. 2026-06-30 15:01 UTCVendor advisory
  64. 2026-06-30 15:01 UTCGHSA enrichment
  65. 2026-06-30 08:20 UTCEG score recompute
  66. 2026-06-30 08:20 UTCVendor advisory
  67. 2026-06-30 08:20 UTCGHSA enrichment
  68. 2026-06-30 04:13 UTCEG score recompute
  69. 2026-06-30 04:13 UTCVendor advisory
  70. 2026-06-30 04:13 UTCGHSA enrichment
  71. 2026-06-29 23:57 UTCEG score recompute
  72. 2026-06-29 23:57 UTCVendor advisory
  73. 2026-06-29 23:57 UTCGHSA enrichment
  74. 2026-06-29 19:40 UTCEG score recompute
  75. 2026-06-29 19:40 UTCVendor advisory

Frequently asked(5)

What is CVE-2026-26142?
CVE-2026-26142 is a critical vulnerability published on June 9, 2026. Deserialization of untrusted data in Nuance PowerScribe allows an unauthorized attacker to execute code over a network.
When was CVE-2026-26142 disclosed?
CVE-2026-26142 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-26142 actively exploited?
CVE-2026-26142 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-26142?
CVE-2026-26142 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-26142?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-26142, 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

Explore the affected products and dependency analysis for CVE-2026-26142

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