CVE-2026-102676

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.5% (41st percentile of EPSS-scored CVEs). GitHub Security Advisory CVSS 8.3 is lower than this score; a lower GitHub score revises it only when its advisory is newer than the CVE record's last change, and this advisory (published 2026-09-29) is not newer than that change (2026-10-15), so it does not.

Triggered by: Headline CVSS from NVD CVSS v3
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3

Also known asEUVD-2026-89095 (ENISA EUVD) · GHSA-9qh4-3jw8-366w (GitHub Security Advisories)Source: ENISA EUVD

9.8EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, an Electron guest could enable nodeIntegrationInWorker for its Web Workers even when the unsandboxed embedder had Node.js integration disabled, allowing untrusted guest content to create a Node-enabled worker with more privilege than the embedder granted. Applications that do not enable the tag or that keep the embedder sandboxed are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
44
EG Risk 44/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity98% × 45%
Impact severity (EG Severity): CVSS 9.8 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.5% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.5%
EPSS %ILE
41st
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (9.8): severity, escalated by confirmed exploitation. This CVE's 9.8 is its impact severity (EG Severity), not escalated.

EG Severity
9.8 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
EG Likelihood
0.5% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-12). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 29, 2026

Last Modified

October 15, 2026

Advisory Details (9)

Auto-updated Nov 7, 2026
Patch available. Sources: github, github_commit, github_release.
GitHub advisoryMentions a patch (unverified)

<webview> can enable Node.js integration in Web Workers despite embedder restrictions · Advisory · electron/electron · GitHub

https://github.com/electron/electron/security/advisories/GHSA-9qh4-3jw8-366w
GitHub release Patch Available

electron v44.0.0-beta.5

Patch available: electron/electron v44.0.0-beta.5 (pre-release)

https://github.com/electron/electron/releases/tag/v44.0.0-beta.5
GitHub release Patch Available

electron v43.4.1

Patch available: electron/electron v43.4.1

https://github.com/electron/electron/releases/tag/v43.4.1
GitHub release Patch Available

electron v42.9.2

Patch available: electron/electron v42.9.2

https://github.com/electron/electron/releases/tag/v42.9.2
GitHub release Patch Available

electron v41.10.6

Patch available: electron/electron v41.10.6

https://github.com/electron/electron/releases/tag/v41.10.6
GitHub commit

commit cd34f335c866 (electron/electron)

Fix landed in electron/electron commit cd34f335c866 — awaiting tagged release

https://github.com/electron/electron/commit/cd34f335c8664613db5b6e61ae51e2e1846233ae
GitHub commit

commit b3ae0aab5cf8 (electron/electron)

Fix landed in electron/electron commit b3ae0aab5cf8 — awaiting tagged release

https://github.com/electron/electron/commit/b3ae0aab5cf81c2ed03d04df1ae8e69ecfab7886
GitHub commit

commit 9a675aef8822 (electron/electron)

Fix landed in electron/electron commit 9a675aef8822 — awaiting tagged release

https://github.com/electron/electron/commit/9a675aef8822bae4088567822969f900b3a37671
GitHub commit

commit 6462a2e1dc4e (electron/electron)

Fix landed in electron/electron commit 6462a2e1dc4e — awaiting tagged release

https://github.com/electron/electron/commit/6462a2e1dc4e6adffd3b7d9b9be1474c45dcbbe2

Vendor Advisories for CVE-2026-102676(1)

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

Patch Availability(4)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
npmelectron @ 41.10.6 (fixes < 41.10.6)—ghsa
npmelectron @ 42.9.2 (fixes >= 42.0.0-alpha.1, < 42.9.2)—ghsa
npmelectron @ 43.4.1 (fixes >= 43.0.0-alpha.1, < 43.4.1)—ghsa
npmelectron @ 44.0.0-beta.5 (fixes >= 44.0.0-alpha.1, < 44.0.0-beta.5)—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFix by version rangeDependents
electron—
  • every version up to 41.10.6: fixed in 41.10.6
  • 42.0.0-alpha.1 up to 42.9.2: fixed in 42.9.2
  • 43.0.0-alpha.1 up to 43.4.1: fixed in 43.4.1
  • 44.0.0-alpha.1 up to 44.0.0-beta.5: fixed in 44.0.0-beta.5
—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 46× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed its CVE.org record (CNA or CISA ADP). An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

Showing the most recent 100 of 112 rows on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 12 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-13 16:50 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  2. 2026-11-13 16:22 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  3. 2026-11-12 17:00 UTCEchelonGraph re-scored
  4. 2026-11-12 17:00 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  5. 2026-11-12 16:32 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  6. 2026-11-11 17:54 UTCEchelonGraph re-scored
  7. 2026-11-11 17:54 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  8. 2026-11-11 16:37 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  9. 2026-11-10 18:48 UTCEchelonGraph re-scored
  10. 2026-11-10 18:48 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  11. 2026-11-10 16:41 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  12. 2026-11-09 19:41 UTCEchelonGraph re-scored
  13. 2026-11-09 19:41 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  14. 2026-11-09 16:33 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  15. 2026-11-08 20:35 UTCEchelonGraph re-scored
  16. 2026-11-08 20:35 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  17. 2026-11-08 16:37 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  18. 2026-11-07 21:29 UTCEchelonGraph re-scored
  19. 2026-11-07 21:29 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  20. 2026-11-07 16:37 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  21. 2026-11-06 22:24 UTCEchelonGraph re-scored
  22. 2026-11-06 22:24 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  23. 2026-11-06 16:35 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  24. 2026-11-05 23:13 UTCEchelonGraph re-scored
  25. 2026-11-05 23:13 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
Show 75 more
  1. 2026-11-05 21:55 UTCOSV refresh
  2. 2026-11-05 16:36 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  3. 2026-11-05 00:07 UTCEchelonGraph re-scored
  4. 2026-11-05 00:07 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  5. 2026-11-04 16:34 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  6. 2026-11-04 01:00 UTCEchelonGraph re-scored
  7. 2026-11-04 01:00 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  8. 2026-11-03 16:45 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  9. 2026-11-03 01:55 UTCEchelonGraph re-scored
  10. 2026-11-03 01:54 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  11. 2026-11-02 16:43 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  12. 2026-11-02 02:49 UTCEchelonGraph re-scored
  13. 2026-11-02 02:49 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  14. 2026-11-01 16:33 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  15. 2026-11-01 08:00 UTCGHSA enrichmentGHSA-9qh4-3jw8-366w · GitHub severity HIGH · GitHub CVSS 8.3
  16. 2026-11-01 08:00 UTCEchelonGraph re-scored
  17. 2026-11-01 03:43 UTCEchelonGraph re-scored
  18. 2026-10-31 16:31 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  19. 2026-10-31 04:37 UTCEchelonGraph re-scored
  20. 2026-10-30 16:33 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  21. 2026-10-30 05:31 UTCEchelonGraph re-scored
  22. 2026-10-29 16:32 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  23. 2026-10-29 06:25 UTCEchelonGraph re-scored
  24. 2026-10-28 16:31 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  25. 2026-10-28 07:19 UTCEchelonGraph re-scored
  26. 2026-10-27 16:31 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  27. 2026-10-27 08:14 UTCEchelonGraph re-scored
  28. 2026-10-26 16:30 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  29. 2026-10-26 06:51 UTCEchelonGraph re-scored
  30. 2026-10-25 16:32 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  31. 2026-10-25 14:56 UTCEchelonGraph re-scored
  32. 2026-10-25 07:38 UTCEchelonGraph re-scored
  33. 2026-10-24 16:31 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  34. 2026-10-24 08:32 UTCEchelonGraph re-scored
  35. 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  36. 2026-10-23 09:26 UTCEchelonGraph re-scored
  37. 2026-10-22 16:33 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  38. 2026-10-22 10:18 UTCEchelonGraph re-scored
  39. 2026-10-21 16:31 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  40. 2026-10-21 11:08 UTCEchelonGraph re-scored
  41. 2026-10-20 16:31 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  42. 2026-10-20 12:03 UTCEchelonGraph re-scored
  43. 2026-10-19 16:31 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  44. 2026-10-19 12:54 UTCEchelonGraph re-scored
  45. 2026-10-18 16:31 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  46. 2026-10-18 05:10 UTCEchelonGraph re-scored
  47. 2026-10-17 16:33 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  48. 2026-10-17 12:24 UTCEchelonGraph re-scored
  49. 2026-10-16 16:40 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  50. 2026-10-16 13:16 UTCEchelonGraph re-scored
  51. 2026-10-15 16:31 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  52. 2026-10-15 14:07 UTCEchelonGraph re-scored▲ 1.50
  53. 2026-10-15 14:04 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  54. 2026-10-14 16:31 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  55. 2026-10-13 16:33 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  56. 2026-10-12 16:40 UTCEchelonGraph re-scored
  57. 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  58. 2026-10-11 20:16 UTCEchelonGraph re-scored
  59. 2026-10-11 17:12 UTCEchelonGraph re-scored
  60. 2026-10-11 15:02 UTCEchelonGraph re-scored
  61. 2026-10-11 13:47 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  62. 2026-10-11 04:08 UTCEchelonGraph re-scored
  63. 2026-10-10 19:59 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  64. 2026-10-10 02:02 UTCEchelonGraph re-scored
  65. 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  66. 2026-10-08 23:55 UTCEchelonGraph re-scored
  67. 2026-10-08 17:11 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  68. 2026-10-08 10:53 UTCEchelonGraph re-scored
  69. 2026-10-07 23:47 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  70. 2026-10-06 19:23 UTCEchelonGraph re-scored
  71. 2026-10-06 15:17 UTCEPSS rescoreEPSS 0.5% · 37th percentile
  72. 2026-10-06 06:21 UTCEchelonGraph re-scored
  73. 2026-10-05 17:42 UTCEPSS rescoreEPSS 0.5% · 36th percentile
  74. 2026-10-05 04:16 UTCEchelonGraph re-scored
  75. 2026-10-04 23:21 UTCEPSS rescoreEPSS 0.5% · 36th percentile

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Frequently asked(5)

What is CVE-2026-102676?
CVE-2026-102676 is a critical-severity vulnerability; its CVE record was published on September 29, 2026. Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, an Electron <webview> guest could enable nodeIntegrationInWorker for its Web Workers even when the unsandboxed embedder had Node.js…
When was the CVE record for CVE-2026-102676 published?
The CVE record for CVE-2026-102676 was published on September 29, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of October 15, 2026; the record at its source may have been updated since.
Is CVE-2026-102676 actively exploited?
CVE-2026-102676 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (41st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-102676?
CVE-2026-102676 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-102676?
A fix for CVE-2026-102676 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-102676 are linked in the Vendor Advisories panel on this page.

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