CVE-2026-87481

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 — 3 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.

Incorrect authorization in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (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(high)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
33%
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/498730641
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-2026-87481(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 28× in last 7d / 73× 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 09:11 UTCGHSA enrichment
  2. 2026-09-24 21:56 UTCEG score recompute
  3. 2026-09-24 21:56 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 10:39 UTCGHSA enrichment
  6. 2026-09-23 23:23 UTCEG score recompute
  7. 2026-09-23 23:23 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 11:26 UTCGHSA enrichment
  10. 2026-09-23 00:11 UTCEG score recompute
  11. 2026-09-23 00:10 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 12:55 UTCGHSA enrichment
  14. 2026-09-22 01:39 UTCEG score recompute
  15. 2026-09-22 01:39 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 14:24 UTCGHSA enrichment
  18. 2026-09-21 03:09 UTCEG score recompute
  19. 2026-09-21 03:08 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 15:52 UTCGHSA enrichment
  22. 2026-09-20 04:32 UTCGHSA enrichment
  23. 2026-09-19 17:17 UTCEG score recompute
  24. 2026-09-19 17:17 UTCGHSA enrichment
  25. 2026-09-19 06:02 UTCEG score recompute
Show 48 more
  1. 2026-09-19 06:02 UTCGHSA enrichment
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 18:47 UTCGHSA enrichment
  4. 2026-09-18 07:32 UTCGHSA enrichment
  5. 2026-09-17 20:16 UTCEG score recompute
  6. 2026-09-17 20:16 UTCGHSA enrichment
  7. 2026-09-17 19:32 UTCEPSS rescore
  8. 2026-09-17 05:29 UTCGHSA enrichment
  9. 2026-09-16 18:14 UTCEG score recompute
  10. 2026-09-16 18:13 UTCGHSA enrichment
  11. 2026-09-16 14:09 UTCEPSS rescore
  12. 2026-09-16 06:58 UTCEG score recompute
  13. 2026-09-16 06:58 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 19:42 UTCGHSA enrichment
  16. 2026-09-15 08:25 UTCEG score recompute
  17. 2026-09-15 08:25 UTCGHSA enrichment
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 21:10 UTCGHSA enrichment
  21. 2026-09-14 09:52 UTCGHSA enrichment
  22. 2026-09-13 22:36 UTCEG score recompute
  23. 2026-09-13 22:36 UTCGHSA enrichment
  24. 2026-09-13 11:21 UTCGHSA enrichment
  25. 2026-09-13 00:06 UTCEG score recompute
  26. 2026-09-13 00:06 UTCGHSA enrichment
  27. 2026-09-12 12:51 UTCGHSA enrichment
  28. 2026-09-12 01:36 UTCEG score recompute
  29. 2026-09-12 01:36 UTCGHSA enrichment
  30. 2026-09-11 14:53 UTCEPSS rescore
  31. 2026-09-11 14:53 UTCEPSS rescore
  32. 2026-09-11 14:21 UTCEG score recompute
  33. 2026-09-11 14:21 UTCGHSA enrichment
  34. 2026-09-11 03:06 UTCGHSA enrichment
  35. 2026-09-10 15:50 UTCEG score recompute
  36. 2026-09-10 15:50 UTCGHSA enrichment
  37. 2026-09-10 04:35 UTCGHSA enrichment
  38. 2026-09-10 04:03 UTCGHSA enrichment
  39. 2026-09-09 18:08 UTCGHSA enrichment
  40. 2026-09-09 15:58 UTCEG score recompute
  41. 2026-09-09 15:58 UTCGHSA enrichment
  42. 2026-09-09 15:30 UTCGHSA enrichment
  43. 2026-09-09 14:21 UTCEG score recompute▲ 1.80
  44. 2026-09-09 14:20 UTCGHSA enrichment
  45. 2026-09-09 14:20 UTCMITRE cvelistV5CVSS v3 → 8.3 · severity → HIGH
  46. 2026-09-09 01:22 UTCNVD update
  47. 2026-09-09 01:01 UTCEG score recompute
  48. 2026-09-09 00:57 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-87481?
CVE-2026-87481 is a high vulnerability published on September 9, 2026. Incorrect authorization in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-87481 disclosed?
CVE-2026-87481 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-2026-87481 actively exploited?
CVE-2026-87481 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 67.4% of all scored CVEs.
What is the CVSS score of CVE-2026-87481?
CVE-2026-87481 has a CVSS v3.1 base score of 8.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-87481?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87481, 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-2026-87481

Explore →

Is Your Infrastructure Affected by CVE-2026-87481?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs