CVE-2026-121257
UnknownSummary
Use after free in TabStrip in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium)
Risk Assessment
This may allow an attacker to execute malicious code outside the browser sandbox, potentially leading to system compromise. Organizations using vulnerable Google Chrome versions are exposed to attacks via malicious extensions.
Recommendation
Update Google Chrome to version 157.0.8103.38 or later. Restrict extension installation to trusted sources.
Other vulnerabilities in Google Chrome
See all- CVE-2026-121256High
Use of a released resource in GPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page.
- CVE-2026-121255Unknown
Incorrect authorization in Autofill AI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page.
- CVE-2026-121254Unknown
Information leak in Select in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain sensitive information via a crafted HTML page.
- CVE-2026-121253Unknown
Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass site isolation via a crafted Chrome extension.
- CVE-2026-121252Unknown
Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page.
- CVE-2026-121251Unknown
Missing authorization in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page.
- CVE-2026-121250Unknown
Use after free in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension.
- CVE-2026-121248Unknown
Incorrect authorization in API in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension.
- CVE-2026-121245Unknown
Race condition vulnerability in the Autofill component of Google Chrome prior to 157.0.8103.38. A remote attacker could potentially obtain sensitive information via a crafted HTML page.
- CVE-2026-121244Unknown
UI misrepresentation vulnerability in the FileAPI component of Google Chrome prior to 157.0.8103.38. A remote attacker leveraging social engineering could spoof UI elements via a crafted HTML page.
Original NVD description (English source)
Use after free in TabStrip in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium)
Vulnerability data from NVD (NIST) · CISA KEV · EPSS