CVE-2026-87527

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
9.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.6Exploit: None knownExposed: 0

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

Buffer overflow in WebGL in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

CVSS v3
9.6
Vendor severity
CRITICALper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Critical)
EG Score
9.6(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity96% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 10, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/548130125
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html

Vendor Advisories for CVE-2026-87527(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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 85× in last 7d / 125× 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 125 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-87527?
CVE-2026-87527 is a critical vulnerability published on September 9, 2026. Buffer overflow in WebGL in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
When was CVE-2026-87527 disclosed?
CVE-2026-87527 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-87527 actively exploited?
CVE-2026-87527 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 59.9% of all scored CVEs.
What is the CVSS score of CVE-2026-87527?
CVE-2026-87527 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-87527?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87527, 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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