CVE-2025-10585

Published Sep 24, 2025

Last updated a month ago

Google Chrome V8

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-10585 is a type confusion vulnerability in the V8 JavaScript engine of Google Chrome. This flaw can be exploited by attackers to cause unexpected software behavior, potentially leading to arbitrary code execution or program crashes. The vulnerability can be triggered when a program allocates a resource using one type but later accesses it with an incompatible type. To exploit this, an attacker could trick a user into visiting a specially crafted website containing malicious JavaScript code. Google's Threat Analysis Group discovered and reported the vulnerability on September 16, 2025, and confirmed that it was being actively exploited in the wild.

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)
Source: chrome-cve-admin@google.com
NVD status: Analyzed
Products: chrome

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: Google Chromium V8 Type Confusion Vulnerability
Exploit added on: Sep 23, 2025
Exploit action due: Oct 14, 2025
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

chrome-cve-admin@google.com: CWE-843
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-843

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7857C78B-3F28-4180-AE76-ABF96A380265",
            "versionEndExcluding": "140.0.7339.185"
          }
        ],
        "operator": "OR"
      },
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
            "vulnerable": false,
            "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"
          },
          {
            "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
            "vulnerable": false,
            "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
            "vulnerable": false,
            "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
          }
        ],
        "operator": "OR"
      }
    ],
    "operator": "AND"
  }
]

References

Sources include official advisories and independent security research.