CVE-2026-102300: Uninitialized resource in Google Chrome
Uninitialized resource in WebGPU in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
This vulnerability (CVE-2026-102300) affects Google Chrome versions before 154.0.8037.92. It is caused by an uninitialized resource in the WebGPU implementation, which could be exploited by a remote attacker to access cross-origin data via a specially crafted HTML page. The issue was assigned a medium severity with a CVSS v3.1 score of 4.3, indicating limited confidentiality impact and no integrity or availability impact. The vendor has published a stable channel update to fix this vulnerability.
Potential Impact
An attacker can remotely exploit this vulnerability by convincing a user to visit a maliciously crafted HTML page, potentially leading to unauthorized disclosure of cross-origin data. The impact is limited to confidentiality loss without affecting integrity or availability.
Mitigation Recommendations
Google has released an official fix in Chrome version 154.0.8037.92. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-102300: Uninitialized resource in Google Chrome
Description
Uninitialized resource in WebGPU in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-102300) affects Google Chrome versions before 154.0.8037.92. It is caused by an uninitialized resource in the WebGPU implementation, which could be exploited by a remote attacker to access cross-origin data via a specially crafted HTML page. The issue was assigned a medium severity with a CVSS v3.1 score of 4.3, indicating limited confidentiality impact and no integrity or availability impact. The vendor has published a stable channel update to fix this vulnerability.
Potential Impact
An attacker can remotely exploit this vulnerability by convincing a user to visit a maliciously crafted HTML page, potentially leading to unauthorized disclosure of cross-origin data. The impact is limited to confidentiality loss without affecting integrity or availability.
Mitigation Recommendations
Google has released an official fix in Chrome version 154.0.8037.92. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-28T21:43:53.431Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html","vendor":"Google"}]
Threat ID: 6abc2561680226ef684413ee
Added to database: 09/29/2026, 20:53:53 UTC
Last enriched: 09/29/2026, 21:37:28 UTC
Last updated: 09/30/2026, 03:03:21 UTC
Views: 3
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