EUVD-2026-79978
GHSA-q6pj-5jr6-2p62
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Remote crafted page (AV:N/AC:L/PR:N) needing a page visit (UI:R); sandbox escape justifies S:C and full C:H/I:H/A:H from arbitrary code execution.
Primary rating from Vendor (google).
CVSS VectorVendor: google
Lifecycle Timeline
5DescriptionCVE.org
Use after free in Auth in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Articles & Coverage 1
AnalysisAI
Use-after-free in Google Chrome's Auth component allows a remote attacker to achieve code execution outside the browser sandbox when a victim simply loads a crafted HTML page in any desktop Chrome build prior to 153.0.8010.47. Exploitation is unauthenticated and requires no special configuration - the only prerequisite is the user interaction of visiting or rendering the attacker-controlled page (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H, 9.6), and because the flaw is not confined to the renderer, no separate sandbox-escape bug is needed to reach the host. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to visit or render an attacker-controlled crafted HTML page in a vulnerable Google Chrome desktop build prior to 153.0.8010.47 (UI:R - the single limiting factor). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high priority. … 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: upgrade Google Chrome to 153.0.8010.47 or later, as documented in the Stable Channel Update for Desktop (https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html); note that the vulnerability exists strictly 'prior to' this build, so any version at or above 153.0.8010.47 is remediated. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, update all desktop Chrome installations to the vendor-released patch version 153.0.8010.47 or later, ensuring that automatic updates are enabled or manually triggering updates and browser restarts. …
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External POC / Exploit Code
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