EUVD-2026-74414
GHSA-vgpr-x4h2-hr69
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Network-reachable via a page (AV:N) but reliable UAF-to-sandbox-escape exploitation is complex (AC:H); needs the victim to open the page (UI:R) and breaks the sandbox boundary (S:C).
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Extensions in Google Chrome on on Mac 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: Medium)
AnalysisAI
Remote code execution in Google Chrome for macOS prior to 153.0.8010.36 stems from a use-after-free in the Extensions component, letting a remote attacker escape the renderer sandbox and run arbitrary code by luring a victim to a crafted HTML page. The flaw carries a CVSS 9.6 (scope-changed, network vector with user interaction), though Chromium's own security team rated it 'Medium'. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to be running Chrome on macOS at a version below 153.0.8010.36 and to actively open or navigate to attacker-controlled web content (CVSS UI:R - user interaction is mandatory); there is no authentication requirement (PR:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals conflict and should be weighed carefully. … 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 to Chrome 153.0.8010.36 or later on macOS via the Chrome stable channel (https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html); Chrome typically auto-updates, so ensure the browser is fully restarted to apply the new binary and verify the version under chrome://settings/help. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all macOS systems to identify Chrome installations running versions before 153.0.8010.36, prioritizing devices used by executives, engineers, and security personnel. …
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Same weakness CWE-416 – Use After Free
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External POC / Exploit Code
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