CVE-2026-84326

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

Uninitialized resource in V8 in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.8
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 3, 2026

Advisory Details (2)

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

Chromium

https://issues.chromium.org/issues/547936520
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html

Vendor Advisories for CVE-2026-84326(2)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 152.0.7977.64-1 (412 versions)152.0.7977.75-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb12u1 (178 versions)152.0.7977.75-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb13u1 (180 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 39× in last 7d / 97× 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 19:20 UTCEG score recompute
  2. 2026-09-19 19:20 UTCVendor advisory
  3. 2026-09-19 19:20 UTCGHSA enrichment
  4. 2026-09-19 06:08 UTCEG score recompute
  5. 2026-09-19 06:08 UTCVendor advisory
  6. 2026-09-19 06:08 UTCGHSA enrichment
  7. 2026-09-18 19:28 UTCEPSS rescore
  8. 2026-09-18 17:09 UTCVendor advisory
  9. 2026-09-18 17:09 UTCGHSA enrichment
  10. 2026-09-18 04:09 UTCEG score recompute
  11. 2026-09-18 04:09 UTCVendor advisory
  12. 2026-09-18 04:09 UTCGHSA enrichment
  13. 2026-09-17 19:32 UTCEPSS rescore
  14. 2026-09-17 15:09 UTCVendor advisory
  15. 2026-09-17 15:09 UTCGHSA enrichment
  16. 2026-09-17 02:10 UTCEG score recompute
  17. 2026-09-17 02:10 UTCVendor advisory
  18. 2026-09-17 02:10 UTCGHSA enrichment
  19. 2026-09-16 14:09 UTCEPSS rescore
  20. 2026-09-16 13:11 UTCEG score recompute
  21. 2026-09-16 13:11 UTCVendor advisory
  22. 2026-09-16 13:10 UTCGHSA enrichment
  23. 2026-09-16 05:15 UTCEPSS rescore
  24. 2026-09-16 00:10 UTCVendor advisory
  25. 2026-09-16 00:10 UTCGHSA enrichment
Show 72 more
  1. 2026-09-15 11:11 UTCEG score recompute
  2. 2026-09-15 11:11 UTCVendor advisory
  3. 2026-09-15 11:11 UTCGHSA enrichment
  4. 2026-09-15 03:12 UTCEPSS rescore
  5. 2026-09-15 03:12 UTCEPSS rescore
  6. 2026-09-14 22:11 UTCVendor advisory
  7. 2026-09-14 22:11 UTCGHSA enrichment
  8. 2026-09-14 09:11 UTCVendor advisory
  9. 2026-09-14 09:11 UTCGHSA enrichment
  10. 2026-09-13 20:12 UTCEG score recompute
  11. 2026-09-13 20:12 UTCVendor advisory
  12. 2026-09-13 20:12 UTCGHSA enrichment
  13. 2026-09-13 07:12 UTCVendor advisory
  14. 2026-09-13 07:12 UTCGHSA enrichment
  15. 2026-09-12 18:13 UTCEG score recompute
  16. 2026-09-12 18:13 UTCVendor advisory
  17. 2026-09-12 18:13 UTCGHSA enrichment
  18. 2026-09-12 05:14 UTCVendor advisory
  19. 2026-09-12 05:14 UTCGHSA enrichment
  20. 2026-09-11 16:14 UTCEG score recompute
  21. 2026-09-11 16:14 UTCVendor advisory
  22. 2026-09-11 16:14 UTCGHSA enrichment
  23. 2026-09-11 14:53 UTCEPSS rescore
  24. 2026-09-11 14:53 UTCEPSS rescore
  25. 2026-09-11 03:15 UTCGHSA enrichment
  26. 2026-09-10 14:15 UTCEG score recompute
  27. 2026-09-10 14:15 UTCGHSA enrichment
  28. 2026-09-10 01:15 UTCGHSA enrichment
  29. 2026-09-09 12:16 UTCVendor advisory
  30. 2026-09-09 12:16 UTCGHSA enrichment
  31. 2026-09-08 23:16 UTCEG score recompute
  32. 2026-09-08 23:16 UTCVendor advisory
  33. 2026-09-08 23:16 UTCGHSA enrichment
  34. 2026-09-08 22:01 UTCEPSS rescore
  35. 2026-09-08 03:52 UTCEG score recompute
  36. 2026-09-08 03:52 UTCVendor advisory
  37. 2026-09-08 03:52 UTCGHSA enrichment
  38. 2026-09-07 14:53 UTCVendor advisory
  39. 2026-09-07 14:53 UTCGHSA enrichment
  40. 2026-09-06 23:24 UTCEG score recompute
  41. 2026-09-06 23:24 UTCVendor advisory
  42. 2026-09-06 23:24 UTCGHSA enrichment
  43. 2026-09-06 13:48 UTCEPSS rescore
  44. 2026-09-06 10:24 UTCVendor advisory
  45. 2026-09-06 10:24 UTCGHSA enrichment
  46. 2026-09-05 21:25 UTCEG score recompute
  47. 2026-09-05 21:25 UTCVendor advisory
  48. 2026-09-05 21:25 UTCGHSA enrichment
  49. 2026-09-05 15:31 UTCEPSS rescore
  50. 2026-09-05 08:26 UTCVendor advisory
  51. 2026-09-05 08:26 UTCGHSA enrichment
  52. 2026-09-04 19:26 UTCEG score recompute
  53. 2026-09-04 19:26 UTCVendor advisory
  54. 2026-09-04 19:26 UTCGHSA enrichment
  55. 2026-09-04 06:19 UTCEG score recompute
  56. 2026-09-04 06:19 UTCVendor advisory
  57. 2026-09-04 06:18 UTCGHSA enrichment
  58. 2026-09-04 05:07 UTCEPSS rescore
  59. 2026-09-03 17:15 UTCGHSA enrichment
  60. 2026-09-03 16:55 UTCGHSA enrichment
  61. 2026-09-03 13:16 UTCGHSA enrichment
  62. 2026-09-03 04:58 UTCGHSA enrichment
  63. 2026-09-03 00:25 UTCEG score recompute
  64. 2026-09-03 00:25 UTCGHSA enrichment
  65. 2026-09-02 14:12 UTCEPSS rescore
  66. 2026-09-02 11:26 UTCGHSA enrichment
  67. 2026-09-02 10:27 UTCEG score recompute
  68. 2026-09-02 10:26 UTCGHSA enrichment
  69. 2026-09-02 10:23 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  70. 2026-09-02 00:22 UTCNVD update
  71. 2026-09-01 23:50 UTCEG score recompute
  72. 2026-09-01 23:50 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-84326?
CVE-2026-84326 is a high vulnerability published on September 1, 2026. Uninitialized resource in V8 in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-84326 disclosed?
CVE-2026-84326 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84326 actively exploited?
CVE-2026-84326 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 76.6% of all scored CVEs.
What is the CVSS score of CVE-2026-84326?
CVE-2026-84326 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-84326?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84326, 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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