EUVD-2026-65774
GHSA-6628-7m49-7h5x
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Sandbox escape implies scope change (S:C); all other metrics align with network delivery, no auth, and full code execution impact.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
AnalysisAI
Use-after-free in the Mobile component of Google Chrome on iOS prior to 152.0.7977.65 enables remote code execution outside the browser sandbox via crafted network traffic, requiring no user interaction. The sandbox escape elevates the severity beyond a typical renderer bug, as successful exploitation grants attacker-controlled code execution in a context beyond Chrome's sandboxed process. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The vulnerability affects Chrome on iOS exclusively - users on Android, Windows, macOS, or Linux Chrome are not in scope. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) scores 8.1, but the AC:H rating acknowledges that triggering a use-after-free reliably requires precise timing or specific heap state conditions. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker positions themselves to deliver crafted network traffic to a victim running an unpatched Chrome on iOS - for example, via a malicious server response, a man-in-the-middle position on a shared network, or a WebRTC-based interaction. The crafted traffic triggers a use-after-free in Chrome's Mobile component, corrupting freed heap memory and redirecting execution to attacker-controlled code running outside the Chrome sandbox. … |
| Remediation | Update Google Chrome on iOS to version 152.0.7977.65 or later, available via the Apple App Store. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Chrome iOS deployments across the organization, including identifying managed and personal devices accessing corporate resources. …
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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
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