Apparently, drivers using the nvvsvc.exe belonging to the NVIDIA Driver Helper Service installed with the driver is the one affected with the security flaw.
The flaw allows elevation of privileges and can be used to access sensitive data on your system. Mostly affected/targeted are businesses using the driver, but all systems with the helper service are affected and need updating.
Until now, the work around has been to turn off/disable the helper service. Now a new GeForce driver has been developed and released and is named 310.90 WHQL (Windows Hardware Quality Labs) since MS’s labs have been involved in testing the new driver which is digitally signed.
Interestingly, the new driver is reported by gHacks.net to improve performance for Black Ops 2 and Assassin’s Creed III.
“It is highly recommended to select custom installation to avoid the installation of drivers and software that you do not make use of on your PC. Check out this overview of NVIDIA driver components to find out which drivers you need to install and which you may not need at all.
There you also find a solution to block the two processes nvvsvc.exe and nvxdsync.exe from running all the time on the system. You may have noticed that one of them is the process that has been vulnerable to the exploit.
It is highly recommended to install the NVIDIA GeForce driver update as quickly as possible on vulnerable systems to protect them from attacks and the exploit.”
Together with that:
1. It is highly recommended you create a restore point and a backup before installing the new drivers, or any software for that matter.
2. Read what nVidia writes about the driver on the download page. Specific OEM’s like Sony and Dell have specific firmware which is preferable to the regular nVidia driver. You should check out your specific model at the OEM’s website. If in doubt, pm someone of yrag’s skill and knowledge level. Also, contact the OEM’s Tech Support.
3. Read more about which components to install here: http://www.ghacks.net/2012/12/26/make-sure-you-only-install-nvidia-drivers-you-need/
4. Please do your own research on the topic. If you find something significant please add it to the thread.