Memory Corruption Vulnerability in Google Chrome
CVE-2026-118306

9.6CRITICAL

Key Information:

Vendor

Google

Status
Vendor
CVE Published:
27 October 2026

Badges

πŸ”₯ Trending nowπŸ“ˆ TrendedπŸ“ˆ Score: 8,890

What is CVE-2026-118306?

CVE-2026-118306 is a memory corruption vulnerability identified in Google Chrome, a widely used web browser developed by Google. This vulnerability affects versions of Chrome prior to 156.0.8078.73 and stems from an issue within the FileSystem component. Memory corruption vulnerabilities can enable attackers to manipulate memory allocations, which may result in the execution of arbitrary code outside the confines of the browser's sandbox. This poses significant risks to an organization, as successful exploitation can lead to unauthorized access and control over systems, potentially compromising sensitive data and user privacy.

The ability for attackers to exploit this vulnerability via a crafted HTML page signifies a concern for organizations that rely on Google Chrome for day-to-day operations, especially in environments where web applications are commonly utilized. If a user were to interact with a malicious web page, they could inadvertently trigger the vulnerability, granting the attacker a foothold within the affected system.

Potential impact of CVE-2026-118306

  1. Remote Code Execution: The most critical impact of this vulnerability is the potential for remote code execution. Attackers could leverage this flaw to run arbitrary code on the victim's machine, allowing them to bypass security protocols and deploy malware or conduct cyber espionage.

  2. Data Breach Risk: Successful exploitation could lead to unauthorized access to sensitive data stored on the affected system. This includes personal information, corporate secrets, and other confidential materials that, if compromised, could have serious consequences for an organization.

  3. System Compromise: Beyond just data access, attackers could gain complete control over the system. This could lead to further exploitation of the network and spread of malware, resulting in extensive damage and operational disruptions for the organization.

Affected Version(s)

Chrome 156.0.8078.73

References

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • πŸ“ˆ

    Vulnerability started trending

  • Vulnerability published

  • Vulnerability Reserved

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