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Google Chrome CVE-2026-87520

| EUVDEUVD-2026-74500 CRITICAL
Use After Free (CWE-416)
2026-09-09 Chrome GHSA-cwh8-gvfg-jpgh
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

Remote crafted page needs no auth (PR:N) but requires the victim to visit it (UI:R); sandbox escape crosses a trust boundary (S:C) yielding full code execution (C/I/A:H).

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 09, 2026 - 15:21 vuln.today
Patch available
Sep 09, 2026 - 01:03 EUVD
CVE Published
Sep 09, 2026 - 00:09 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 09, 2026 - 00:09 cve.org
CRITICAL 9.6

DescriptionCVE.org

Use after free in Dawn in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Sandbox-escape remote code execution in Google Chrome on Android (versions prior to 153.0.8010.36) stems from a use-after-free in Dawn, Chromium's WebGPU implementation. A remote attacker who lures a victim to a crafted HTML page can trigger the freed-object reuse to execute arbitrary code outside the renderer sandbox. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the victim to open an attacker-controlled HTML page in Google Chrome on Android below 153.0.8010.36 (UI:R - user interaction is required, so there is no zero-click path), and the crafted page must exercise the vulnerable WebGPU/Dawn code path. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS is 9.6 with vector AV:N/AC:L/PR:N/UI:R/S:C, reflecting an unauthenticated network-reachable bug that requires only that the victim open a malicious page and that, if successful, breaks the sandbox boundary (scope change) with high confidentiality, integrity, and availability impact. … 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 153.0.8010.36 or later, which contains the Dawn fix; on Android this arrives via the Google Play Store update to the Chrome app, so ensure automatic Play updates are enabled and force-update managed fleets via MDM. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all Android devices running Chrome and identify systems on versions earlier than 153.0.8010.36 using mobile device management or asset-tracking tools. …

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CVE-2026-87520 vulnerability details – vuln.today

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