CVE-2026-6921

HIGHNVD 8.38.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.3 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 91% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
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%CVSS: 8.3Exploit: None knownExposed: 0

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

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

CVSS v3
8.3
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
8.3(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity83% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

April 23, 2026

Last Modified

May 27, 2026

Advisory Details (2)

Auto-updated May 4, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/493315759
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_22.html

Vendor Advisories for CVE-2026-6921(1)

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 5× in last 7d / 29× 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 212 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-6921?
CVE-2026-6921 is a high vulnerability published on April 23, 2026. Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)
When was CVE-2026-6921 disclosed?
CVE-2026-6921 was first published in the National Vulnerability Database on April 23, 2026, with the most recent update on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6921 actively exploited?
CVE-2026-6921 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 91.6% of all scored CVEs.
What is the CVSS score of CVE-2026-6921?
CVE-2026-6921 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-6921?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6921, 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

Explore the affected products and dependency analysis for CVE-2026-6921

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