EUVD-2026-40756
GHSA-qqx3-3r9q-jch9
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Network-delivered via crafted HTML with no attacker privileges; victim must visit the page (UI:R); only confidentiality is impacted through memory disclosure, no integrity or availability effect.
Primary rating from Vendor (google).
CVSS VectorVendor: google
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
Integer overflow in WebNN in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Integer overflow in the WebNN component of Google Chrome prior to 150.0.7871.47 allows an unauthenticated remote attacker to read potentially sensitive data from Chrome's process memory. Exploitation requires convincing a victim to visit a crafted HTML page, placing this in the class of user-interaction-dependent browser memory disclosure vulnerabilities. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must be running Google Chrome prior to 150.0.7871.47 on a desktop platform and must actively navigate to or be redirected to an attacker-controlled or compromised HTML page (CVSS UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 6.5 (Medium) is driven by C:H (high confidentiality impact via memory disclosure) against a network-reachable, zero-privilege attack path, tempered by UI:R (requires victim interaction) and S:U (unchanged scope, Chrome sandbox contains the blast radius). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts an HTML page that invokes the WebNN API with specially constructed tensor dimensions or graph parameters designed to trigger the integer overflow in Chrome's WebNN implementation. When a victim on an unpatched Chrome desktop browser visits the page - via phishing link, malvertising, or compromised site injection - the overflow causes Chrome to read and return out-of-bounds process memory to the attacker-controlled JavaScript context. … |
| Remediation | Update Google Chrome to version 150.0.7871.47 or later immediately; this is the vendor-confirmed fixed release per the Stable Channel Update advisory at http://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique Information Disclosure
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SUSE
Severity: Moderate| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
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