CVE-2026-87529

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.

Numeric truncation error in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
9.6
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
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
39%
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🟡 PoC Available

Chromium

https://issues.chromium.org/issues/536423794
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-2026-87529(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 75× in last 7d / 106× 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 106 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-87529?
CVE-2026-87529 is a critical vulnerability published on September 9, 2026. Numeric truncation error in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-87529 disclosed?
CVE-2026-87529 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-2026-87529 actively exploited?
CVE-2026-87529 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 60.8% of all scored CVEs.
What is the CVSS score of CVE-2026-87529?
CVE-2026-87529 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-87529?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87529, 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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