EUVD-2026-74375
GHSA-g839-vqmv-fc9g
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Extension payload is network-distributed (AV:N); victim must install the extension (UI:R); attacker needs no credentials (PR:N); impact is integrity-only with no scope change or confidentiality loss.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
6DescriptionCVE.org
Missing authorization in Downloads in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)
AnalysisAI
Missing authorization in the Downloads component of Google Chrome prior to 153.0.8010.36 allows a remote attacker to bypass system-level access restrictions using a crafted Chrome extension. The CVSS 6.5 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N) reflects that user interaction is required to trigger the flaw, limiting automated mass exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target user to install a crafted Chrome extension on a system running Google Chrome prior to 153.0.8010.36, making user interaction (UI:R) a hard prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 score, scope-unchanged flag (S:U), and integrity-only impact (C:N/I:H/A:N) position this as a moderate-severity authorization bypass rather than a critical remote compromise. … 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 153.0.8010.36. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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