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CVE-2026-1220
January 19, 2026
Race in V8. The flaw could be exploited through specially crafted web content, potentially resulting in memory corruption, browser instability, or arbitrary code execution. Due to the browser’s widespread use, successful exploitation could affect millions of users globally Race conditions occur when multiple processes access shared resources simultaneously, potentially allowing attackers to execute malicious code, crash the browser, or access sensitive information.
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
LOW
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')