EUVD-2026-82480
GHSA-62gf-3r56-8cx8
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Sandbox escape justifies S:C and C:H/I:H/A:H; UI:R because the victim must install the crafted extension; PR:N as no host authentication is needed, though the extension-install barrier is real.
Primary rating from Vendor (google).
CVSS VectorVendor: google
Lifecycle Timeline
6DescriptionCVE.org
Use after free in Extensions in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)
Articles & Coverage 1
AnalysisAI
Use-after-free in Google Chrome's Extensions component allows a remote attacker to execute arbitrary code outside the browser sandbox on any desktop build prior to 153.0.8010.52, provided the victim loads a crafted, attacker-controlled extension. The flaw carries a 9.6 CVSS score (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H), meaning no prior authentication to the target is needed, but the attacker must still persuade the user to install or load a malicious extension, which is the real-world limiting factor; the sandbox-scope change (S:C) reflects code execution escaping Chrome's renderer/extensions sandbox. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to install or load a crafted, attacker-controlled Chrome extension on a Chrome desktop version prior to 153.0.8010.52; the use-after-free lives in the Extensions component and is reached through that extension's activity. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority browser vulnerability, though its real-world risk is tempered by a meaningful precondition. … 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: Chrome 153.0.8010.52. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, verify that all managed Google Chrome desktop endpoints are updated to 153.0.8010.52 or later, using enterprise update and patch-management tools and version-compliance reports, and prioritize devices that allow user-installed or sideloaded extensions. …
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External POC / Exploit Code
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