A critical zero day security flaw has been found in Windows 7, and proof-of-concept code has been made available online.

"Danish vulnerability clearinghouse Secunia said the memory corruption vulnerability could be exploited by attackers remotely," SearchSecurity.com reports. "In a security advisory issued late Monday to customers, Secunia said the vulnerability works by viewing a malicious webpage containing an iFrame with an overly large 'height' attribute."

"Proof-of-concept code was published on Twitter by the discoverer of the Windows 7 vulnerability," the article states.

Go to "Critical Windows 7 zero-day vulnerability could lead to iFrame attacks" to read the details.

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