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Google Chrome CVE-2026-85042

| EUVDEUVD-2026-70709 CRITICAL
Use After Free (CWE-416)
2026-09-03 Chrome GHSA-6crp-w3gv-hwr8
9.6
CVSS 3.1 · Vendor: Chrome
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Severity by source

Vendor (Chrome) PRIMARY
9.6 CRITICAL
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
vuln.today AI
9.6 CRITICAL

Network-delivered crafted page (AV:N/AC:L/PR:N) needs a victim to load it (UI:R); UAF escaping the renderer sandbox changes scope (S:C) with full C/I/A impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Sep 03, 2026 - 22:17 vuln.today
CVSS changed
Sep 03, 2026 - 20:22 NVD
9.6 (CRITICAL)
CVE Published
Sep 03, 2026 - 19:26 cve.org
CRITICAL 9.6
CVE Published
Sep 03, 2026 - 19:26 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Use after free in DevTools in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Remote code execution in Google Chrome's DevTools component before 152.0.7977.82 lets a remote attacker escape the renderer sandbox and run arbitrary code by luring a victim to a crafted HTML page. The flaw is a use-after-free (CWE-416) rated High by Chromium and carries a CVSS 9.6 with scope change, reflecting sandbox escape. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Requires the victim to visit or render an attacker-crafted HTML page in a vulnerable Chrome build before 152.0.7977.82 - user interaction (UI:R) is mandatory, so this is not a zero-click flaw. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are moderately consistent but not alarming for immediate mass exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patch: update Google Chrome to 152.0.7977.82 or later on all desktop platforms via the Stable channel and restart the browser to apply it (Help → About Google Chrome forces the check). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: verify current Chrome version distribution across your organization via Settings > About Chrome or internal asset inventory; confirm that automatic updates are enabled, which will auto-push 152.0.7977.82+ to most users. …

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CVE-2026-85042 vulnerability details – vuln.today

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