CVE-2026-84351

HIGHPre-NVD 8.38.3—
EchelonGraph scoreMEDIUM confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-09-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Buffer overflow in GPU in Google Chrome on on Windows prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.3
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
8.3HIGHmedium confidence
EG Risk
38
EG Risk 38/100CISA SSVC

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
Severity83% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
36th
KEV
Not listed

CISA SSVCTrack 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). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 1, 2026

Last Modified

September 3, 2026

Advisory Details (2)

Auto-updated Sep 2, 2026
Patch available.
generic

Chromium

https://issues.chromium.org/issues/551593376
generic

Chrome Releases: Stable Channel Update for Desktop

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

Vendor Advisories for CVE-2026-84351(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 rangeFix by version rangeDependents
chromium113.0.5672.126-1 ... 152.0.7977.64-1 (412 versions)
  • every version up to 152.0.7977.75-1~deb12u1: fixed in 152.0.7977.75-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb12u1 (178 versions)
  • every version up to 152.0.7977.75-1~deb13u1: fixed in 152.0.7977.75-1~deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb13u1 (179 versions)
  • every version up to 152.0.7977.75-1: fixed in 152.0.7977.75-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 36× in last 7d / 158× 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 203 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84351?
CVE-2026-84351 is a high vulnerability published on September 1, 2026. Buffer overflow in GPU in Google Chrome on on Windows prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-84351 disclosed?
CVE-2026-84351 was first published 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-2026-84351 actively exploited?
CVE-2026-84351 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (36th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-84351?
CVE-2026-84351 has a CVSS v3.1 base score of 8.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-84351?
A fix for CVE-2026-84351 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-84351 are linked in the Vendor Advisories panel on this page.

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