CVE DatabaseCVE-2025-10585

Updated 2026-07-14한국어 권고문 →

CVE-2025-105859.8/CRITICALCISA KEVCWE-843CWE-843

Google Chrome V8 Type Confusion Vulnerability (CVE-2025-10585) Technical Analysis and Remediation Guide

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Affected Vendors

google, siemens

Affected Components

chrome, chromium

Published Date

2025-09-24

CVSS v3.1

9.8

CRITICAL

EPSS (30d)

9.0%

FIRST.org

CISA KEV

Exploited

NVD Source ↗

Executive & SecOps Summary

SECOPS ASSESSMENT

Affected Scope

Google Chrome and Chromium-based browsers prior to version 140.0.7339.185

Impact

Remote attackers can execute arbitrary code (RCE) and trigger heap corruption by enticing a user to visit a specially crafted HTML page

Mitigation

Immediately update Google Chrome and Chromium-based browsers to the latest stable version (140.0.7339.185 or higher)

Affected Products & Version Scope

Google Chrome prior to 140.0.7339.185 on Windows, macOS, and Linux, as well as other browsers utilizing the Chromium engine (e.g., Microsoft Edge, Brave, Opera)

Remediation & Live Workaround Commands

PATCH & WORKAROUND

1. Official Patch & Version Upgrade Commands

For Linux environments (Ubuntu/Debian), execute the following commands to update Google Chrome to the latest secure version:

bash

# Update package lists and upgrade Google Chrome to the latest stable release
sudo apt-get update && sudo apt-get --only-upgrade install google-chrome-stable -y

# Verify the installed version
google-chrome --version

2. Temporary Workaround & Hardening Configuration

If immediate patching is not feasible, enforce strict security policies to restrict JavaScript execution on untrusted sites or enforce sandbox policies via registry settings.

powershell

# Enforce Chrome Sandbox state via Windows Registry to mitigate exploitation vectors
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Google\Chrome' -Name 'SandboxState' -Value 1 -PropertyType DWord -Force

3. Log Audit & IoC Verification Commands

Use the following PowerShell script to audit enterprise endpoints and identify vulnerable installations of Google Chrome:

powershell

# Check installed Chrome version and flag versions below 140.0.7339.185
$chromePath = '${env:ProgramFiles}\Google\Chrome\Application\chrome.exe'
if (Test-Path $chromePath) {
    $version = [System.Diagnostics.FileVersionInfo]::GetVersionInfo($chromePath).FileVersion
    Write-Host 'Current Chrome Version:' $version
    $threshold = [version]'140.0.7339.185'
    if ([version]$version -lt $threshold) {
        Write-Warning 'ALERT: Vulnerable Chrome version detected! Immediate update required.'
    } else {
        Write-Host 'SUCCESS: Chrome version is secure.' -ForegroundColor Green
    }
} else {
    Write-Host 'Chrome is not installed in the default path.'
}

Interactive SecOps Remediation Checklist

0/4 (0%)

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Technical Root Cause & Exploitation Mechanics

1. Vulnerability Overview & Root Cause

This vulnerability (CVE-2025-10585) is a critical Type Confusion (CWE-843) flaw residing in the V8 JavaScript and WebAssembly engine of Google Chrome and Chromium-based browsers. The root cause lies in V8's failure to properly verify the actual type of an object during runtime execution. When the engine processes an object under an incorrect type assumption, it leads to memory layout discrepancies, allowing out-of-bounds memory access and subsequent heap corruption.

2. Exploitation Mechanics & Attack Scenario

An attacker exploits this vulnerability by hosting a malicious HTML page containing specifically crafted JavaScript code. When a target user visits the page, the script triggers the type confusion flaw during JIT compilation or runtime object manipulation. This grants the attacker arbitrary read/write primitives within the browser's renderer process memory space. By leveraging these primitives, the attacker can achieve remote code execution (RCE) and potentially escape the browser sandbox to compromise the underlying operating system.

3. Infrastructure & Business Impact

With a CVSS score of 9.8 (Critical) and its inclusion in the CISA Known Exploited Vulnerabilities (KEV) catalog, this vulnerability poses an immediate threat as active exploitation has been confirmed in the wild. Successful exploitation allows complete compromise of user endpoints, serving as an entry point for lateral movement, sensitive data exfiltration, and ransomware deployment within corporate networks.

Official Vendor Advisories & References

NVD Original English Description

Type confusion in V8 in Google Chrome prior to 140.0.7339.185 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html

Source: chrome-cve-admin@google.com · Release Notes, Vendor Advisory

https://issues.chromium.org/issues/445380761

Source: chrome-cve-admin@google.com · Issue Tracking, Permissions Required

https://cert-portal.siemens.com/productcert/html/ssa-470355.html

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e · Third Party Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-10585

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 · US Government Resource

Frequently Asked SecOps Questions (CVE-2025-10585)

FAQ

Q1. How critical is CVE-2025-10585 and is it actively exploited in the wild?

CVE-2025-10585 is rated CVSS 9.8 (CRITICAL) with a 30-day EPSS exploitation probability of 9.0%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.

Q2. Which vendors and products are affected by CVE-2025-10585?

Primary impacted vendors include google, siemens across chrome, chromium. Scope summary: Google Chrome prior to 140.0.7339.185 on Windows, macOS, and Linux, as well as other browsers utilizing the Chromium engine (e.g., Microsoft Edge, Brave, Opera)

Q3. What temporary mitigations or workarounds exist for CVE-2025-10585 before patching?

[Mitigation] Immediately update Google Chrome and Chromium-based browsers to the latest stable version (140.0.7339.185 or higher) Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.

SECOPS WORKBENCH INTEGRATION