EUVD-2026-69753
GHSA-8x7f-rf36-qg2h
Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
AC:H captures the mandatory pre-compromised renderer precondition; C:L reflects limited cross-origin data read only; no integrity or availability impact.
Primary rating from Vendor (google).
CVSS VectorVendor: google
Lifecycle Timeline
5DescriptionCVE.org
Incorrect authorization in Actor in Google Chrome prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Incorrect authorization in Chrome's Actor component allows a remote attacker who has already compromised the renderer process to bypass web origin policy via a crafted HTML page. Affected versions are all Chrome releases prior to 152.0.7977.75, which carries the fix. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two compounded preconditions: (1) the attacker must have already achieved code execution within the Chrome renderer process via a separate vulnerability - without this, the Actor authorization flaw is unreachable; and (2) the victim user must interact with a crafted HTML page (UI:R). … 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:R/S:U/C:L/I:N/A:N, score 3.1) reflects the significant precondition: the attacker must have already compromised the Chrome renderer process via a separate, unrelated vulnerability before this flaw becomes exploitable. … 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 | Update Google Chrome to version 152.0.7977.75 or later, released via the stable channel and documented at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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