EUVD-2026-66065
GHSA-p67g-9rgf-jjh6
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network-delivered via webpage with no privileges required; user must actively visit the page (UI:R); impact is high within the sandboxed renderer process but scope is unchanged.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
Use after free in Animation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Use-after-free in the Animation component of Google Chrome prior to 152.0.7977.65 enables arbitrary code execution within the browser's renderer sandbox when a user visits a crafted HTML page. The flaw scores 8.8 CVSS HIGH, though Google's own internal Chromium severity rating is Low - a notable discrepancy that reflects the sandboxed containment of the impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a user to be running Google Chrome prior to 152.0.7977.65 and to actively navigate to an attacker-controlled or compromised webpage that delivers the malicious Animation payload. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects broad remote exploitability with no authentication barrier, requiring only that a user visit a crafted webpage. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker publishes or compromises a webpage containing a specially constructed HTML payload that triggers the use-after-free condition in Chrome's Animation component during rendering. When a target user opens the page in a vulnerable Chrome version - via phishing email, malicious advertisement, or a compromised trusted site - the freed memory object is accessed, corrupting heap state in the renderer process and enabling arbitrary code execution within the Chrome sandbox. … |
| Remediation | Upgrade Google Chrome to version 152.0.7977.65 or later, as confirmed by the vendor's stable channel update advisory published on the Chrome Releases blog (https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, confirm Chrome auto-update status across endpoints or manually initiate deployment of Chrome 152.0.7977.65 to all users; coordinate with IT operations to prioritize systems handling sensitive data. …
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Same weakness CWE-416 – Use After Free
View allSame technique Use After Free
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External POC / Exploit Code
Leaving vuln.today