CVE-2026-87578

HIGHPre-NVD 8.38.3—
EchelonGraph scoreHIGH confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-09-09. 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%CVSS: 8.3Exploit: None knownExposed: 0

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

Use after free in Receiver in Google Chrome prior to 153.0.8010.36 allowed an adjacent attacker to execute arbitrary code outside the sandbox via crafted network traffic. (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
8.3(high)
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

September 9, 2026

Last Modified

September 10, 2026

Advisory Details (2)

Auto-updated Sep 9, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/517371367
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-2026-87578(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 40× in last 7d / 88× 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. 2026-09-25 10:09 UTCGHSA enrichment
  2. 2026-09-24 22:08 UTCEG score recompute
  3. 2026-09-24 22:08 UTCVendor advisory
  4. 2026-09-24 22:08 UTCGHSA enrichment
  5. 2026-09-24 14:04 UTCEPSS rescore
  6. 2026-09-24 10:05 UTCVendor advisory
  7. 2026-09-24 10:05 UTCGHSA enrichment
  8. 2026-09-23 22:03 UTCEG score recompute
  9. 2026-09-23 22:03 UTCVendor advisory
  10. 2026-09-23 22:03 UTCGHSA enrichment
  11. 2026-09-23 17:54 UTCEPSS rescore
  12. 2026-09-23 10:02 UTCVendor advisory
  13. 2026-09-23 10:02 UTCGHSA enrichment
  14. 2026-09-22 22:00 UTCEG score recompute
  15. 2026-09-22 22:00 UTCVendor advisory
  16. 2026-09-22 22:00 UTCGHSA enrichment
  17. 2026-09-22 16:01 UTCEPSS rescore
  18. 2026-09-22 09:57 UTCVendor advisory
  19. 2026-09-22 09:57 UTCGHSA enrichment
  20. 2026-09-21 21:55 UTCEG score recompute
  21. 2026-09-21 21:55 UTCVendor advisory
  22. 2026-09-21 21:55 UTCGHSA enrichment
  23. 2026-09-21 21:09 UTCEPSS rescore
  24. 2026-09-21 09:53 UTCVendor advisory
  25. 2026-09-21 09:53 UTCGHSA enrichment
Show 63 more
  1. 2026-09-20 21:52 UTCEG score recompute
  2. 2026-09-20 21:52 UTCVendor advisory
  3. 2026-09-20 21:52 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 09:50 UTCVendor advisory
  6. 2026-09-20 09:50 UTCGHSA enrichment
  7. 2026-09-19 21:48 UTCEG score recompute
  8. 2026-09-19 21:48 UTCVendor advisory
  9. 2026-09-19 21:48 UTCGHSA enrichment
  10. 2026-09-19 09:47 UTCVendor advisory
  11. 2026-09-19 09:47 UTCGHSA enrichment
  12. 2026-09-18 21:20 UTCEG score recompute
  13. 2026-09-18 21:20 UTCVendor advisory
  14. 2026-09-18 21:20 UTCGHSA enrichment
  15. 2026-09-18 19:28 UTCEPSS rescore
  16. 2026-09-18 08:22 UTCVendor advisory
  17. 2026-09-18 08:22 UTCGHSA enrichment
  18. 2026-09-17 20:16 UTCEG score recompute
  19. 2026-09-17 20:16 UTCVendor advisory
  20. 2026-09-17 20:16 UTCGHSA enrichment
  21. 2026-09-17 19:32 UTCEPSS rescore
  22. 2026-09-17 06:19 UTCVendor advisory
  23. 2026-09-17 06:19 UTCGHSA enrichment
  24. 2026-09-16 18:14 UTCEG score recompute
  25. 2026-09-16 18:14 UTCVendor advisory
  26. 2026-09-16 18:14 UTCGHSA enrichment
  27. 2026-09-16 14:09 UTCEPSS rescore
  28. 2026-09-16 05:05 UTCVendor advisory
  29. 2026-09-16 05:05 UTCGHSA enrichment
  30. 2026-09-15 17:04 UTCVendor advisory
  31. 2026-09-15 17:04 UTCGHSA enrichment
  32. 2026-09-15 05:01 UTCEG score recompute
  33. 2026-09-15 05:01 UTCVendor advisory
  34. 2026-09-15 05:00 UTCGHSA enrichment
  35. 2026-09-15 03:12 UTCEPSS rescore
  36. 2026-09-14 16:53 UTCGHSA enrichment
  37. 2026-09-14 04:51 UTCGHSA enrichment
  38. 2026-09-13 16:50 UTCEG score recompute
  39. 2026-09-13 16:50 UTCGHSA enrichment
  40. 2026-09-13 04:48 UTCGHSA enrichment
  41. 2026-09-12 16:46 UTCEG score recompute
  42. 2026-09-12 16:46 UTCGHSA enrichment
  43. 2026-09-12 04:44 UTCGHSA enrichment
  44. 2026-09-11 16:42 UTCEG score recompute
  45. 2026-09-11 16:42 UTCGHSA enrichment
  46. 2026-09-11 14:53 UTCEPSS rescore
  47. 2026-09-11 14:53 UTCEPSS rescore
  48. 2026-09-11 04:40 UTCGHSA enrichment
  49. 2026-09-10 16:38 UTCEG score recompute
  50. 2026-09-10 16:38 UTCGHSA enrichment
  51. 2026-09-10 04:36 UTCGHSA enrichment
  52. 2026-09-10 04:04 UTCGHSA enrichment
  53. 2026-09-09 17:52 UTCGHSA enrichment
  54. 2026-09-09 16:02 UTCEG score recompute
  55. 2026-09-09 16:02 UTCGHSA enrichment
  56. 2026-09-09 15:30 UTCGHSA enrichment
  57. 2026-09-09 14:37 UTCEG score recompute▼ 0.50
  58. 2026-09-09 14:37 UTCGHSA enrichment
  59. 2026-09-09 14:34 UTCMITRE cvelistV5CVSS v3 → 8.3 · severity → HIGH
  60. 2026-09-09 13:43 UTCGHSA enrichment
  61. 2026-09-09 01:22 UTCNVD update
  62. 2026-09-09 01:04 UTCEG score recompute
  63. 2026-09-09 00:57 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-87578?
CVE-2026-87578 is a high vulnerability published on September 9, 2026. Use after free in Receiver in Google Chrome prior to 153.0.8010.36 allowed an adjacent attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
When was CVE-2026-87578 disclosed?
CVE-2026-87578 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-2026-87578 actively exploited?
CVE-2026-87578 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 92.3% of all scored CVEs.
What is the CVSS score of CVE-2026-87578?
CVE-2026-87578 has a CVSS v3.1 base score of 8.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-87578?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87578, 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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