CVE-2025-14766

HIGH

Google Chrome < 143.0.7499.146 - Out-of-bounds Read and Write in V8

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-14766. PoCs published by InfoSecAntara.

AI-analyzed exploit summary This repository provides an interactive educational lab simulating CVE-2025-14765 (Type Confusion) and CVE-2025-14766 (Use-After-Free) in Chrome. It includes detailed explanations, payload crafting examples, and memory visualization for learning purposes.

Description

Out of bounds read and write in V8 in Google Chrome prior to 143.0.7499.147 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Exploits (1)

github WRITEUP 2 stars
by InfoSecAntara · htmlpoc
https://github.com/InfoSecAntara/CVE-2025-14765-and-CVE-2025-14766

This repository provides an interactive educational lab simulating CVE-2025-14765 (Type Confusion) and CVE-2025-14766 (Use-After-Free) in Chrome. It includes detailed explanations, payload crafting examples, and memory visualization for learning purposes.

Classification
Writeup 95%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Chrome Browser Version < 143.0.7499.147
No auth needed
Prerequisites: Modern web browser with JavaScript enabled
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 8.8
EPSS 0.0281
EPSS Percentile 84.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-125 CWE-787
Status published
Products (1)
google/chrome < 143.0.7499.146
Published Dec 16, 2025
Tracked Since Feb 18, 2026