EUVD-2026-65795
GHSA-79qh-h9rh-crhw
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-delivered via crafted page requiring one user visit (UI:R); only limited cross-origin pixel data leaks (C:L); no write access or denial-of-service capability exists.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
Information leak in Canvas in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Cross-origin pixel data leakage in the Canvas API of Google Chrome prior to 152.0.7977.65 enables remote attackers to bypass the web same-origin policy by enticing a victim to visit a crafted HTML page. The flaw is classified High severity by the Chromium team and Medium (CVSS 4.3) by NVD, reflecting limited confidentiality impact with no integrity or availability consequences. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to navigate to an attacker-controlled or compromised HTML page using Google Chrome prior to version 152.0.7977.65; the CVSS UI:R metric confirms this page visit is a hard prerequisite and passive drive-by exploitation without user navigation is not possible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.3 Medium score is internally consistent: network-accessible (AV:N), low complexity (AC:L), no attacker privileges required (PR:N), user interaction required (UI:R), unchanged scope (S:U), and only limited confidentiality impact (C:L) with no integrity or availability consequences. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a crafted HTML page that loads a cross-origin resource (such as an authenticated internal application) into a hidden Canvas element and uses JavaScript to call getImageData() to extract rendered pixel data, bypassing Chrome's same-origin policy. The victim user, authenticated to the target cross-origin resource, is lured to the attacker's page via phishing or a compromised advertisement, triggering the pixel read without additional interaction. … |
| Remediation | Upgrade Google Chrome to version 152.0.7977.65 or later, as confirmed by the vendor advisory at 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-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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