Cyber999 Advisories

16 July 2025     Advisory

MA-1364.072025: MyCERT Advisory - Actively Exploited Zero - Day Vulnerability in Google Chrome


1.0 Introduction
Recently, Google has released a critical security update for Chrome Desktop addressing sex vulnerabilities, including CVE-2025-6558, a zero-day exploited in the wild.

2.0 Impact
This flaw allows attackers to manipulate rendering operations to execute arbitrary code by exploiting untrusted inuput validation in GPU processes. 

3.0 Affected Products

Zero-Day Vulnerability Details

  • CVE-2025-6558 – Zero-Day in ANGLE GPU Layer (High Severity)
  • Component: ANGLE (Almost Native Graphics Layer Engine)
  • Type: Improper input validation
  • Impact: Malicious rendering input may trigger GPU-based code execution
  • Status: Actively exploited

Chrome Affected version:
Versions prior to 138.0.7204.157/.158 for Windows, Mac and 138.0.7204.157 for Linux

4.0 Recommendations
CyberSecurity Malaysia encourages users and administrators to review  Google Chrome’s releases  for more information and apply the necessary updates.

Kindly refer to the following URLs for more information:

Generally, Cyber999 advises the users to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.

For further enquiries, please contact us through the following channels:

E-mail: cyber999[at]cybersecurity.my 
Phone: 1-300-88-2999 (monitored during business hours) 
Mobile: +60 19 2665850 (24x7 call incident reporting) 
Business Hours: Mon - Fri 08:30 -17:30 MYT 
Web:  https://www.cybersecurity.my  

  5.0 References

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CyberSecurity Malaysia is the national cyber security specialist agency under the purview of the Ministry of Digital (KD)
 
Contact Us

  • CyberSecurity Malaysia,
    Level 7 Tower 1, Menara Cyber Axis, Jalan Impact,
    63000 Cyberjaya, Selangor Darul Ehsan, Malaysia.

  • enquiry@cybersecurity.my

  • +603 - 8800 7999

  • +603 - 8008 7000

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