Microsoft has rolled out fixes for security vulnerabilities in Windows and Office, which the company says are being actively abused by hackers to break into people’s computers.The exploits are one-click attacks, meaning that a hacker can plant malware or gain access to a victim’s computer with minimal user interaction. At least two flaws can be exploited by tricking someone into clicking a malicious link on their Windows computer. Another can result in a compromise on opening a malicious Office file. The v ...