CVE-2026-91741: Type confusion in Google Chrome
Type confusion in CacheStorage in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-91741 is a type confusion vulnerability in the CacheStorage component of Google Chrome versions before 153.0.8010.47. Exploiting this flaw enables remote attackers to execute arbitrary code inside the sandbox environment by delivering a specially crafted HTML page. This vulnerability affects desktop versions of Chrome and has been publicly disclosed with a high severity rating by the Chromium security team.
Potential Impact
Successful exploitation could allow remote code execution within the sandboxed environment of the Chrome browser, potentially leading to unauthorized actions or compromise of the browser process. However, the attack is constrained to sandboxed code execution, limiting broader system impact.
Mitigation Recommendations
An official 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 vendor advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html for update details.
CVE-2026-91741: Type confusion in Google Chrome
Description
Type confusion in CacheStorage in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91741 is a type confusion vulnerability in the CacheStorage component of Google Chrome versions before 153.0.8010.47. Exploiting this flaw enables remote attackers to execute arbitrary code inside the sandbox environment by delivering a specially crafted HTML page. This vulnerability affects desktop versions of Chrome and has been publicly disclosed with a high severity rating by the Chromium security team.
Potential Impact
Successful exploitation could allow remote code execution within the sandboxed environment of the Chrome browser, potentially leading to unauthorized actions or compromise of the browser process. However, the attack is constrained to sandboxed code execution, limiting broader system impact.
Mitigation Recommendations
An official 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 vendor advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html for update details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-14T22:52:54.816Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html","vendor":"Google"}]
Threat ID: 6aa9aed855bf5e2cf55add2e
Added to database: 09/15/2026, 20:47:20 UTC
Last enriched: 09/15/2026, 21:02:09 UTC
Last updated: 09/16/2026, 04:01:23 UTC
Views: 9
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