Type Confusion Exploitation in Google Chrome V8 before 140.0.7339.185
CVE-2025-10585 Published on September 24, 2025
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)
Known Exploited Vulnerability
This Google Chromium V8 Type Confusion Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.
The following remediation steps are recommended / required by October 14, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2025-10585 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an Object Type Confusion Vulnerability?
The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
CVE-2025-10585 has been classified to as an Object Type Confusion vulnerability or weakness.
Products Associated with CVE-2025-10585
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Affected Versions
Google Chrome:- Version 140.0.7339.185 and below 140.0.7339.185 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.