CVE-2026-91747: Use after free in Google Chrome
Use after free in Skia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-91747 is a use-after-free vulnerability in the Skia graphics library within Google Chrome versions before 153.0.8010.47. Exploitation requires prior compromise of the renderer process and enables an attacker to obtain cross-origin data through a crafted HTML page. This vulnerability could lead to unauthorized data disclosure across origins within the browser context.
Potential Impact
An attacker who has already compromised the renderer process can leverage this vulnerability to access data from other origins, potentially violating same-origin policy protections and leading to unauthorized data exposure. This could compromise user privacy and security within the browser session.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.47. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html for details.
CVE-2026-91747: Use after free in Google Chrome
Description
Use after free in Skia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 3.1low
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91747 is a use-after-free vulnerability in the Skia graphics library within Google Chrome versions before 153.0.8010.47. Exploitation requires prior compromise of the renderer process and enables an attacker to obtain cross-origin data through a crafted HTML page. This vulnerability could lead to unauthorized data disclosure across origins within the browser context.
Potential Impact
An attacker who has already compromised the renderer process can leverage this vulnerability to access data from other origins, potentially violating same-origin policy protections and leading to unauthorized data exposure. This could compromise user privacy and security within the browser session.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.47. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-14T22:53:02.865Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html","vendor":"Google"}]
Threat ID: 6aa9aeda55bf5e2cf55add37
Added to database: 09/15/2026, 20:47:22 UTC
Last enriched: 09/15/2026, 21:01:50 UTC
Last updated: 09/16/2026, 04:01:23 UTC
Views: 9
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