CVE-2026-85046

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 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/542403045	Permissions Required
https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md	Exploit Third Party Advisory
https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67	Patch
https://news.ycombinator.com/item?id=49570669	Issue Tracking Third Party Advisory
https://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/	Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046	US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:google:v8:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-09-03 20:17

Updated : 2026-09-08 14:55

NVD link : CVE-2026-85046

Mitre link : CVE-2026-85046

CVE.ORG link : CVE-2026-85046

JSON object : View

Products Affected

google

v8
chrome

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

{"id": "CVE-2026-85046", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-85046", "role": "CISA Coordinator", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-03T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "chrome-cve-admin@google.com", "affectedData": [{"vendor": "Google", "product": "Chrome", "versions": [{"status": "affected", "version": "152.0.7977.82", "lessThan": "152.0.7977.82", "versionType": "custom"}]}]}], "published": "2026-09-03T20:17:24.210", "references": [{"url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://issues.chromium.org/issues/542403045", "tags": ["Permissions Required"], "source": "chrome-cve-admin@google.com"}, {"url": "https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://news.ycombinator.com/item?id=49570669", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "chrome-cve-admin@google.com", "description": [{"lang": "en", "value": "CWE-843"}]}], "descriptions": [{"lang": "en", "value": "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)"}], "lastModified": "2026-09-08T14:55:04.093", "cisaActionDue": "2026-09-18", "cisaExploitAdd": "2026-09-04", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7133861-8AAD-49BB-9137-9D737B466E1E", "versionEndExcluding": "152.0.7977.82"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:v8:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62F85713-22F2-43E2-B84B-F4E9E0B56490", "versionEndExcluding": "15.3.48"}], "operator": "OR"}]}], "sourceIdentifier": "chrome-cve-admin@google.com", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "Google Chromium V8 Type Confusion Vulnerability"}