EUVD-2026-66079
GHSA-6xwv-q3h8-8fcr
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Network-delivered via crafted page; no attacker privileges needed; user must navigate to trigger; only confidentiality is impacted with no integrity or availability effect.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
Incorrect authorization in DOM in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially leak sensitive information via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Incorrect DOM authorization in Google Chrome prior to 152.0.7977.65 enables remote unauthenticated attackers to potentially leak sensitive information by serving a crafted HTML page to a victim. The flaw is classified as CWE-863 (Incorrect Authorization), meaning Chrome's DOM implementation fails to properly enforce access controls for certain document-level resources. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to actively visit a crafted HTML page controlled by the attacker (UI:R per CVSS vector), making passive drive-by exploitation without any user navigation impossible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD CVSS 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) reflects a high confidentiality impact, but several signals materially lower the realized risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker registers a domain and hosts a crafted HTML page that exploits the DOM authorization flaw to read cross-origin or otherwise restricted data from the victim's browser session. The attacker distributes a link via phishing email or social media; when a Chrome user on an unpatched version visits the page, the browser incorrectly permits the page's JavaScript to access sensitive information and exfiltrate it to the attacker's server. … |
| Remediation | Update Google Chrome to version 152.0.7977.65 or later; this is the vendor-released patch confirmed by the Chrome stable channel release advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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