CVE-2026-121131

CriticalCVSS 9.6/10Last modified Nov 4, 2026

Description

Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
GoogleChrome>= 157.0.8103.38, < 157.0.8103.38

References

Timeline

Published
Nov 3, 2026
Last modified
Nov 4, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-1211326.5Information leak in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML pageCVE-2026-1211338.1Incorrect reference resolution in Images in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker who had compromised theCVE-2026-1211348.8Information loss in BackgroundFetch in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafCVE-2026-1211358.8Security issue in Platform in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML CVE-2026-1211366.5Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass CVE-2026-1211378.8Type confusion in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to execute arbitrCVE-2026-1211386.5Observable discrepancy in CORS in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HCVE-2026-1211397.8The Rapid7 Metasploit msf-ws suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated "bootstrap" CVE-2026-121144.4The Team Members – Multi Language Supported Team Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settingsCVE-2026-1211408.3Out of bounds read in Internals in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process tCVE-2026-1211415.4Improper input validation in Editing in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypaCVE-2026-1211426.5Incorrect authorization in Network in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass
CVE-2026-121131: Critical severity, CVSS 9.6 | Vulnix