Information on how to correspond with vulnerability in WPA2 encryption technology
Overview
WPA2 which is the encryption technology of wireless LAN products, there was an announcement that there is a vulnerability called “KRACKs”. Authentication with WPA2/WPA via wireless LAN connection may be attacked by a third party on the same network in the PC product connected to the network.
- About the multiple vulnerabilities in WPA2
- Issue which Nonce and session keys are reused in Wi-Fi Protected Access II (WPA2) handshake
- Wi-Fi Alliance? security update
- Security Update October 2017
- Please refer to the following method on how to correspond.
How to correspond
As for measures against this vulnerability problem, updating both OS’s update (Windows Update) and “Wireless LAN Driver” is necessary. Please refer to the following contents of this Q&A and update.
- OS’s update （Windows Update）
Please apply the latest Windows update program through Windows Update.
Related Q&A
[Windows 10] How to put the PC in its latest condition using Windows Update
[Windows 10] How to check Windows version information
64bit
| Windows | Version | Updated program name |
| Windows 10 | 1507 (Original version) | KB4042895 |
| 1511 (November update) | KB4041689 | |
| 1607 (Anniversary Update) | KB4041691 | |
| 1703 (Creators Update) | KB4041676 | |
| 1709 (Fall Creators Update) | KB4043961 |
- Corresponding through Wireless LAN:
Models Windows 10 Driver Version VJS132 12.0.0.448 VJZ13B 20.60.0.4 VJZ131 20.60.0.4 VJS131 20.60.0.4 VJZ12A 19.51.7.2
Please refer to the link destination of each driver for how to apply the program of each corresponding driver, confirmation of the completion of application, etc. Because the program is different depending on the number of bits of Windows you use, please check in advance.
Related Q&A [VAIO_PC] Which version of Windows is installed: 32 bit version or 64 bit version