Type Confusion Vulnerability in Google Chrome Affects Users
CVE-2026-1862

8.8HIGH

Key Information:

Vendor

Google

Status
Vendor
CVE Published:
3 February 2026

What is CVE-2026-1862?

CVE-2026-1862 is a type confusion vulnerability present in the V8 JavaScript engine used by Google Chrome, specifically in versions prior to 144.0.7559.132. This vulnerability arises when the engine mishandles distinct data types, which can lead to memory corruption and behavior that could be exploited by attackers. In this case, a crafted HTML page could trigger the flaw, allowing for potential unauthorized access to system memory. Organizations utilizing Google Chrome are at risk, particularly if users visit malicious or compromised web pages. The negative impacts of this vulnerability could range from unauthorized data exposure to system instability, ultimately affecting organizational operations and security posture.

Potential impact of CVE-2026-1862

  1. Remote Code Execution: Exploitation of this vulnerability may allow attackers to execute arbitrary code on the affected systems, potentially leading to full compromise of user machines and the data they contain.

  2. Heap Corruption: The technical nature of the type confusion could result in heap corruption, causing applications to crash and potentially disrupting business operations, damaging productivity and efficiency.

  3. Data Breaches: Given the ability of this vulnerability to manipulate memory, there is a substantial risk of unauthorized access to sensitive data, increasing the likelihood of data breaches and exposure of confidential information.

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Affected Version(s)

Chrome 144.0.7559.132

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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