Inappropriate implementation in Downloads in Google Chrome on Windows prior to 144.0.7559.59 allowed a remote attacker to bypass dangerous file type protections via a malicious file. This vulnerability is classified as medium severity with a CVSS score of 5.4, indicating that while it poses a risk, the exploitation complexity is relatively low.
The potential risk to organizations includes unauthorized access to sensitive data through malicious file downloads, making it imperative for security teams to address this vulnerability promptly.
Currently, there is no evidence of public exploits or known active exploitation in the wild, but organizations should remain vigilant. Given the nature of the vulnerability and its implications, organizations should prioritize remediation efforts.
Organizations should prioritize patching immediately to safeguard their environments against potential threats that may arise from this vulnerability.
Vulnerability Details
The vulnerability allows a remote attacker to manipulate file downloads, circumventing protections against dangerous file types. The CVSS score of 5.4 reflects a medium severity level, emphasizing the importance of addressing this issue. The affected product is Google Chrome, specifically versions prior to 144.0.7559.59, which was published on January 20, 2026.
The vulnerability is classified under CWE-20, indicating improper input validation, which is a common issue that can lead to significant security risks.
Technical Analysis
The root cause of this vulnerability stems from an inappropriate implementation in the Downloads feature of Google Chrome. The attack vector is categorized as network-based, meaning that an attacker can exploit this vulnerability remotely without physical access to the affected systems.
The complexity of the attack is low, as no special privileges are required, and user interaction is necessary for this vulnerability to be exploited. For an attacker to succeed, the victim must download and open a malicious file. The confidentiality and integrity impacts are assessed as low, while the availability impact is none.
Risk & Impact Analysis
The deployment risk for organizations using Google Chrome is notable due to the potential for unauthorized access to sensitive information through malicious file downloads. The blast radius could be significant, especially for organizations that manage sensitive data or operate in regulated industries.
Given the medium CVSS score and the low exploitation likelihood, organizations should address this vulnerability in their priority patch cycle to mitigate risks effectively.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Google Chrome prior to 144.0.7559.59 are affected. Organizations should ensure their systems are updated to the latest version to mitigate this vulnerability.
Mitigation & Remediation
To mitigate this vulnerability, organizations should update to the latest version of Google Chrome. For those unable to update immediately, consider implementing temporary workarounds by enhancing file type protections or restricting download permissions.
For comprehensive security assessments, organizations may consider penetration testing to identify and remediate similar vulnerabilities.
Detection Guidance
Organizations should monitor logs for unusual download activity and file types that do not conform to expected patterns. Behavioral anomalies in file handling should also be flagged for investigation.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability highlights the need for continuous monitoring of file download behaviors. Security teams should recognize patterns of file type manipulation to preemptively address potential threats.
This vulnerability exemplifies the importance of maintaining up-to-date security measures. For additional insights on managing vulnerabilities, organizations might explore our vulnerability management program to enhance their security posture.
Regular updates and security assessments are vital in mitigating risks associated with such vulnerabilities, ensuring the organization's resilience against emerging threats.
For further reading on security practices, organizations can refer to our insights on penetration testing methodology and how it can be integrated into their security framework.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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