CVE-2026-9891
CriticalCVSS 9.0Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
A use-after-free vulnerability was found in Extensions in Google Chrome prior to 148.0.7778.216. A remote attacker who had compromised the renderer process could exploit a crafted Chrome Extension to potentially escape the sandbox.
Risk Assessment
This vulnerability allows an attacker with renderer access to bypass browser isolation entirely, potentially leading to full system compromise and data theft.
Recommendation
Immediately update Google Chrome to version 148.0.7778.216 or later. Restart the browser after the update.
Other vulnerabilities in Google Chrome
See all- CVE-2026-102328High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102327High
Incorrect authorization in WebView in Google Chrome on Android prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-102326High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102325Medium
Uninitialized resource in Skia 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)
- CVE-2026-102324High
Use after free in PictureInPicture in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102323High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102321High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102319Low
Uninitialized resource in GPU in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102318Medium
Out of bounds read in WebGL in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102317High
Improper privilege management in Mojo in Google Chrome on Windows prior to 154.0.8037.92 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a local program.
Original NVD description (English source)
Use after free in Extensions in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Critical)
Vulnerability data from NVD (NIST) · CISA KEV · EPSS