CVE-2026-85046

CRITICALPre-NVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-09-04), indicating real-world exploitation has been confirmed by US federal agencies. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa-adp, cisa_kev, epss, ghsa
Trending — KEV-added this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 8.8Exploit: cisa kev · ssvc activeExposed: 0

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

Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.8
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
65%
KEV
⚠ Exploited

Published

September 3, 2026

Last Modified

September 6, 2026

Advisory Details (2)

Auto-updated Sep 3, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/542403045
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html

Vendor Advisories for CVE-2026-85046(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 34× in last 7d / 34× 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. 2026-09-06 13:48 UTCEPSS rescore
  2. 2026-09-06 10:38 UTCGHSA enrichment
  3. 2026-09-06 06:35 UTCGHSA enrichment
  4. 2026-09-06 02:32 UTCGHSA enrichment
  5. 2026-09-06 01:56 UTCGHSA enrichment
  6. 2026-09-06 00:37 UTCGHSA enrichment
  7. 2026-09-05 20:34 UTCGHSA enrichment
  8. 2026-09-05 16:32 UTCEG score recompute
  9. 2026-09-05 16:31 UTCGHSA enrichment
  10. 2026-09-05 15:31 UTCEPSS rescore
  11. 2026-09-05 12:28 UTCGHSA enrichment
  12. 2026-09-05 08:26 UTCGHSA enrichment
  13. 2026-09-05 04:23 UTCGHSA enrichment
  14. 2026-09-05 04:04 UTCGHSA enrichment
  15. 2026-09-05 00:08 UTCGHSA enrichment
  16. 2026-09-04 20:05 UTCGHSA enrichment
  17. 2026-09-04 19:08 UTCGHSA enrichment
  18. 2026-09-04 18:58 UTCGHSA enrichment
  19. 2026-09-04 18:29 UTCEG score recompute
  20. 2026-09-04 18:29 UTCGHSA enrichment
  21. 2026-09-04 17:39 UTCEG score recompute▲ 0.20
  22. 2026-09-04 17:39 UTCGHSA enrichment
  23. 2026-09-04 17:38 UTCCISA KEV update
  24. 2026-09-04 17:21 UTCEG score recompute
  25. 2026-09-04 17:21 UTCGHSA enrichment
Show 9 more
  1. 2026-09-04 15:57 UTCEG score recompute
  2. 2026-09-04 15:56 UTCGHSA enrichment
  3. 2026-09-04 04:23 UTCGHSA enrichment
  4. 2026-09-04 04:07 UTCEG score recompute
  5. 2026-09-04 04:07 UTCGHSA enrichment
  6. 2026-09-03 20:23 UTCEG score recompute
  7. 2026-09-03 20:18 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  8. 2026-09-03 19:36 UTCEG score recompute
  9. 2026-09-03 19:33 UTCMITRE cvelistV5first tracked

Frequently asked(6)

What is CVE-2026-85046?
CVE-2026-85046 is a critical vulnerability published on September 3, 2026. Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-85046 disclosed?
CVE-2026-85046 was first published in the National Vulnerability Database on September 3, 2026, with the most recent update on September 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85046 actively exploited?
Yes. CISA added CVE-2026-85046 to the Known Exploited Vulnerabilities catalog on September 4, 2026, affecting Google Chromium V8. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-85046?
CVE-2026-85046 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2026-85046?
CVE-2026-85046 affects Google Chromium V8. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-85046?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85046, 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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