CVE-2026-57989

HIGHPre-NVD 7.47.4—
EchelonGraph scoreMEDIUM confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-07-26. the CNA's CVSS baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.4Exploit: None knownExposed: 0

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

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVSS v3
7.4
EG Score
7.4(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity74% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 26, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Jul 26, 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-2026-57989

Vendor Advisories for CVE-2026-57989(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 30× in last 7d / 143× 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 289 total refreshes for this CVE.

  1. 2026-09-15 09:17 UTCEG score recompute
  2. 2026-09-15 09:17 UTCVendor advisory
  3. 2026-09-15 09:17 UTCGHSA enrichment
  4. 2026-09-15 03:11 UTCEPSS rescore
  5. 2026-09-14 10:15 UTCVendor advisory
  6. 2026-09-14 10:15 UTCGHSA enrichment
  7. 2026-09-13 21:18 UTCEG score recompute
  8. 2026-09-13 21:18 UTCVendor advisory
  9. 2026-09-13 21:18 UTCGHSA enrichment
  10. 2026-09-13 16:47 UTCEPSS rescore
  11. 2026-09-13 06:36 UTCVendor advisory
  12. 2026-09-13 06:36 UTCGHSA enrichment
  13. 2026-09-12 17:51 UTCEG score recompute
  14. 2026-09-12 17:51 UTCVendor advisory
  15. 2026-09-12 17:51 UTCGHSA enrichment
  16. 2026-09-12 05:06 UTCVendor advisory
  17. 2026-09-12 05:06 UTCGHSA enrichment
  18. 2026-09-11 16:20 UTCEG score recompute
  19. 2026-09-11 16:20 UTCVendor advisory
  20. 2026-09-11 16:20 UTCGHSA enrichment
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-11 02:04 UTCGHSA enrichment
  23. 2026-09-10 10:22 UTCEG score recompute
  24. 2026-09-10 10:22 UTCGHSA enrichment
  25. 2026-09-10 09:35 UTCEPSS rescore
Show 75 more
  1. 2026-09-09 21:06 UTCVendor advisory
  2. 2026-09-09 21:06 UTCGHSA enrichment
  3. 2026-09-09 09:50 UTCEG score recompute
  4. 2026-09-09 09:50 UTCVendor advisory
  5. 2026-09-09 09:50 UTCGHSA enrichment
  6. 2026-09-08 22:01 UTCEPSS rescore
  7. 2026-09-08 21:05 UTCGHSA enrichment
  8. 2026-09-08 17:14 UTCVendor advisory
  9. 2026-09-08 17:13 UTCGHSA enrichment
  10. 2026-09-07 21:07 UTCEG score recompute
  11. 2026-09-07 21:07 UTCVendor advisory
  12. 2026-09-07 21:07 UTCGHSA enrichment
  13. 2026-09-07 16:01 UTCEPSS rescore
  14. 2026-09-06 23:59 UTCEG score recompute
  15. 2026-09-06 23:59 UTCVendor advisory
  16. 2026-09-06 23:59 UTCGHSA enrichment
  17. 2026-09-06 13:47 UTCEPSS rescore
  18. 2026-09-06 08:05 UTCVendor advisory
  19. 2026-09-06 08:04 UTCGHSA enrichment
  20. 2026-09-05 19:17 UTCEG score recompute
  21. 2026-09-05 19:17 UTCVendor advisory
  22. 2026-09-05 19:17 UTCGHSA enrichment
  23. 2026-09-04 22:32 UTCEG score recompute
  24. 2026-09-04 22:32 UTCVendor advisory
  25. 2026-09-04 22:31 UTCGHSA enrichment
  26. 2026-09-04 12:37 UTCEG score recompute
  27. 2026-09-04 12:37 UTCVendor advisory
  28. 2026-09-04 12:37 UTCGHSA enrichment
  29. 2026-09-04 05:07 UTCEPSS rescore
  30. 2026-09-02 18:41 UTCEG score recompute
  31. 2026-09-02 18:40 UTCGHSA enrichment
  32. 2026-09-02 14:12 UTCEPSS rescore
  33. 2026-09-01 23:05 UTCEG score recompute
  34. 2026-09-01 23:05 UTCVendor advisory
  35. 2026-09-01 23:05 UTCGHSA enrichment
  36. 2026-09-01 13:54 UTCEPSS rescore
  37. 2026-09-01 04:40 UTCEPSS rescore
  38. 2026-08-31 15:39 UTCVendor advisory
  39. 2026-08-31 15:39 UTCGHSA enrichment
  40. 2026-08-31 01:29 UTCEG score recompute
  41. 2026-08-31 01:29 UTCVendor advisory
  42. 2026-08-31 01:29 UTCGHSA enrichment
  43. 2026-08-30 19:17 UTCEPSS rescore
  44. 2026-08-30 12:44 UTCEG score recompute
  45. 2026-08-30 12:44 UTCVendor advisory
  46. 2026-08-30 12:44 UTCGHSA enrichment
  47. 2026-08-30 01:22 UTCEPSS rescore
  48. 2026-08-29 23:58 UTCEG score recompute
  49. 2026-08-29 23:58 UTCVendor advisory
  50. 2026-08-29 23:58 UTCGHSA enrichment
  51. 2026-08-28 21:42 UTCEPSS rescore
  52. 2026-08-28 21:09 UTCVendor advisory
  53. 2026-08-28 21:09 UTCGHSA enrichment
  54. 2026-08-28 01:57 UTCEG score recompute
  55. 2026-08-28 01:57 UTCVendor advisory
  56. 2026-08-28 01:57 UTCGHSA enrichment
  57. 2026-08-27 14:25 UTCEPSS rescore
  58. 2026-08-27 13:12 UTCVendor advisory
  59. 2026-08-27 13:12 UTCGHSA enrichment
  60. 2026-08-27 00:20 UTCEG score recompute
  61. 2026-08-27 00:20 UTCVendor advisory
  62. 2026-08-27 00:20 UTCGHSA enrichment
  63. 2026-08-26 14:46 UTCEPSS rescore
  64. 2026-08-26 11:35 UTCVendor advisory
  65. 2026-08-26 11:35 UTCGHSA enrichment
  66. 2026-08-25 22:48 UTCEG score recompute
  67. 2026-08-25 22:48 UTCVendor advisory
  68. 2026-08-25 22:48 UTCGHSA enrichment
  69. 2026-08-25 13:49 UTCEPSS rescore
  70. 2026-08-25 10:04 UTCVendor advisory
  71. 2026-08-25 10:04 UTCGHSA enrichment
  72. 2026-08-24 21:18 UTCEG score recompute
  73. 2026-08-24 21:18 UTCVendor advisory
  74. 2026-08-24 21:18 UTCGHSA enrichment
  75. 2026-08-24 10:32 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-57989?
CVE-2026-57989 is a high vulnerability published on July 26, 2026. Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
When was CVE-2026-57989 disclosed?
CVE-2026-57989 was first published in the National Vulnerability Database on July 26, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57989 actively exploited?
CVE-2026-57989 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 78.5% of all scored CVEs.
What is the CVSS score of CVE-2026-57989?
CVE-2026-57989 has a CVSS v4.0 base score of 7.4 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-57989?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57989, 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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