EUVD-2026-40780
GHSA-wrqf-wjm9-27cw
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Requires a pre-existing renderer compromise plus a crafted page, so AC:H; delivered over the web with user interaction (UI:R), and a successful sandbox escape yields full impact with scope change.
Primary rating from Vendor (google).
CVSS VectorVendor: google
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Cast in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Sandbox escape in Google Chrome's Cast component (versions prior to 150.0.7871.47) lets an attacker who has already compromised the renderer process break out of the browser sandbox via a crafted HTML page, exploiting a use-after-free (CWE-416) memory-corruption bug. Google's Chromium team rated the security severity as Low, and while NVD assigns a 9.6 CVSS reflecting full sandbox-escape impact, exploitation is gated behind a pre-existing renderer compromise. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the attacker has ALREADY compromised the renderer process - this is the explicit, hard prerequisite in the CVE description and the primary limiting factor; the Cast use-after-free is a sandbox-escape primitive, not an initial-access bug. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are in explicit tension. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker first lands a working renderer exploit - for example by luring a user to a malicious website that triggers a separate renderer-side bug - gaining code execution inside the sandboxed renderer. From that foothold, a crafted HTML page drives the Cast component to trigger the use-after-free and corrupt browser-process memory, escaping the sandbox to gain higher-privileged code execution on the host. … |
| Remediation | Vendor-released patch: update Google Chrome to 150.0.7871.47 or later on the stable desktop channel, as published in the Chrome Releases advisory (https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html); most installations receive this automatically, so verify the update applied and relaunch Chrome to complete it. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all deployed Chrome versions in your organization and prioritize systems with Chrome versions prior to 150.0.7871.47. …
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Same weakness CWE-416 – Use After Free
View allSame technique Memory Corruption
View allVendor StatusVendor
SUSE
Severity: Critical| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
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