CVE-2026-13864

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security severity: Medium)

CVSS v3
8.1
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
8.1(high)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 2, 2026

Advisory Details (2)

Auto-updated Jul 2, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/496399913
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html

Vendor Advisories for CVE-2026-13864(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 29× in last 7d / 109× 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 109 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-13864?
CVE-2026-13864 is a high vulnerability published on June 30, 2026. Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security severity: Medium)
When was CVE-2026-13864 disclosed?
CVE-2026-13864 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13864 actively exploited?
CVE-2026-13864 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 78.3% of all scored CVEs.
What is the CVSS score of CVE-2026-13864?
CVE-2026-13864 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13864?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13864, 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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