Researchers at security tesing firm Matousec.com have discovered a "very serious" vulnerability in Windows' security software.
The vulnerability could allow hackers to execute a harmful code capable of dodging even the most recently updated security software.
A security paper published by the website states that hackers can successfully exploit the kernel driver hooks that are used by some recent security software to re-route Windows system calls via their software to check code before it's executed.
The security website explained that in what is known as an 'argument-switch attack', hackers can switch legitimate code for malicious code between the time the system gives it the all-clear and the code is run.
Alfred Huger, vice president of engineering at antivirus software maker Immunet, told Computer World: “This is definitely very serious. Probably any security product running on Windows XP can be exploited this way.”
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