CVE-2026-121200

CriticalCVSS 9.6/10Last modified Nov 5, 2026

Description

Incorrect reference resolution in DevTools 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 HTML page. (Chromium security severity: Medium)

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

Affected software

No affected versions have been published.

Timeline

Published
Nov 3, 2026
Last modified
Nov 5, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-1212018.8Use after free in Animation in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox vCVE-2026-1212029.6Use after free in Autofill in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially exCVE-2026-1212038.8Use after free in Geometry in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox viCVE-2026-1212048.8Incomplete cleanup in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HCVE-2026-1212058.8Incorrect authorization in CORS in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass weCVE-2026-1212065.4UI misrepresentation in Isolated in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to spoof UICVE-2026-1212077.4Uninitialized resource in Dawn in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker to read memory outside the sandboCVE-2026-1212088.8Out of bounds read in Media in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code inside tCVE-2026-1212094.3UI misrepresentation in Input in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to spoof address bar via a crafted HTML pageCVE-2026-1212108.8Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crCVE-2026-1212118.3Use after free in PowerBookmarks in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process CVE-2026-1212128.8Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted
CVE-2026-121200: Critical severity, CVSS 9.6 | Vulnix