A flaw in the way Microsoft Corp.'s Windows operating system handles help files could let an attacker hijack a targeted computer, security experts say.

The flaw would allow a malicious individual to supply a specially crafted Windows Help file with data that would overflow parts of a computer's memory, breaching security and allowing the attacker to run software at will on the affected machine, security software vendor Symantec Corp. said in an advisory Thursday.

At CBC.

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