Vulnerability details

CVE-2026-121200

Google Chrome

CVSS 3.1

9.6Critical

Official 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)

CVSS scores

Score	Version	Source	Vector
9.6Critical	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
Google	Chrome	157.0.8103.38 ≤ v < 157.0.8103.38	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2026-11-04
Last updated: 2026-11-05
State: Published
Assigner (CNA): Chrome
Kolun priority: 32 · Low

Exploit prediction (EPSS)

0.36%

Probability of exploitation in 30 days

30.8%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-706
Incorrect reference resolution