What it is
CVE-2026-85046 is an unauthenticated vulnerability affecting Google Chrome. 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...
Vulnerability report
Chrome
Google / Chrome · affected before 152.0.7977.82
Decision summary
Direct answers before the deeper technical record.
What it is
CVE-2026-85046 is an unauthenticated vulnerability affecting Google Chrome. 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...
Is it exploited?
Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV. Also confirmed by third-party sources.
Who is affected?
Google / Chrome affected before 152.0.7977.82.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
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)
Exploitation evidence
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
TheHackerNews
Independent exploitation attestation added to the Previdian record.
GitHub
Public scanner or PoC coverage increases practical exploitability.
Per-source evidence links for KEV attestations are available through the Previdian Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| TheHackerNews First | 2026-09-04 07:18 UTC |
| CyberInsider | 2026-09-04 09:33 UTC |
| CISA | 2026-09-04 17:01 UTC |
| CVE | 2026-09-04 17:20 UTC |
Detection
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Request targets and User-Agents available in Pro. Callback host details available in Enterprise.
No scanner integrations recorded yet.
No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Risk and context
CVSS v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.5%
Recent mention · CyberInsider
Google has released a Chrome security update addressing 12 vulnerabilities, including a high-severity V8 flaw that is being actively exploited in attacks. The fixes are included in Chrome 152.0.7977.82/.83 for Windows and macOS and version 152.0.7977.82 for Linux, with...
Read full advisoryRecent mention · CyberInsider
Google fixes actively exploited Chrome V8 zero-day vulnerabilityCyberInsider · 04 Sep 2026
Google has released a Chrome security update addressing 12 vulnerabilities, including a high-severity V8 flaw that is being actively exploited in attacks. The fixes are included in Chrome 152.0.7977.82/.83 for Windows and macOS and version 152.0.7977.82 for Linux, with deployment taking place gradually. The actively exploited vulnerability is tracked as CVE-2026-85046 and is described as … The post Google fixes actively exploited Chrome V8 zero-day vulnerability appeared first on CyberInsider.
Recent mention · TheHackerNews
Google Releases Chrome Update to Patch Actively Exploited V8 Zero-DayTheHackerNews · 04 Sep 2026
Google on Thursday released security updates to patch 12 vulnerabilities, including one that has come under active exploitation in the wild. The high-severity vulnerability, tracked as CVE-2026-85046 (CVSS score: 8.8), has been described as a type confusion bug in V8, Chrome's JavaScript and WebAssembly engine. "Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote
Recent mention · Google Chrome Releases
Stable Channel Update for DesktopGoogle Chrome Releases · 03 Sep 2026
The Stable channel has been updated to 152.0.7977.82/.83 for Windows and Mac and 152.0.7977.82 for Linux, which will roll out over the coming days/weeks. A full list of changes in this build is available in the Log Security Fixes and RewardsNote: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed.This update includes 12 security fixes. Please see the Chrome Security Page for more...
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2026-09-04 11:28:47 UTC · 0 stars · AI assessment 85%
Conceptual C++ patch and structural analysis for CVE-2026-85046, a critical type confusion zero-day vulnerability in Google Chrome's V8 engine
github · Created 2026-09-04 08:11:34 UTC · 0 stars · AI assessment 90%
CVE-2026-85046
Timeline
Exploitation attested by an external source
Listed in the CISA Known Exploited Vulnerabilities catalog
Exploitation attested by an external source
Public proof-of-concept code published
High-confidence, third-party attested exploitation
Vulnerability disclosed publicly
Identifier reserved by the CNA
Pro API
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
GET /api/v2/pro/kevs/CVE-2026-85046
Free JSON includes basic KEV fields{
"cve_id": "CVE-2026-85046",
"confidence": "Confirmed",
"cvss_score": 8.8,
"cvss_estimated": false,
"epss_score": 0.00462,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}