CVE-2026-84324: Use after free in Proxy in Google Chrome prior to 152.
CVE-2026-84324 analysis covering impact, affected products, versions, remediation, and cross-checked defender guidance.
CVE-2026-84324 is a vulnerability published by NVD on 9/2/2026.
What happened
Use after free in Proxy in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
Affected products and versions
- google chrome unspecified version (before 152.0.7977.75)
Severity and weakness
CVSS: CRITICAL 9. Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
Weaknesses: CWE-416.
Known exploitation
No CISA KEV entry is currently attached to the NVD record.
What defenders should do
- Identify whether the affected product and version range exists in production.
- Review vendor advisories and release notes before change windows.
- Patch, upgrade, disable the vulnerable component, or apply vendor mitigations.
- Verify the running version after deployment, not only the package inventory.