You must upgrade your Flash system as soon as possible.

Flash users should check their software to see if they need to upgrade to avoid security risks caused by this vulnerability. Internet Explorer and operabrowser users are recommended to upgrade as soon as possible to avoid the impact of this newly discovered vulnerability. This vulnerability exists in Flash Player 7.0.19.0 and earlier versions. hackers may exploit this vulnerability to compromise the security of users' computers.

Macromedia has confirmed the vulnerability and rated it as "dangerous". Macromedia recommends that you upgrade to version 8.0.22.0. To view the Flash version installed on your computer, you only need to right-click any Flash and then click Flash Player to go to the official Macromedia webpage.Http://www.macromedia.com/software/flash/about/View your Flash version, such:

Macromedia warned: "in Flash Player 7 series and earlier versions, there is a need to determine the boundary issue for pointers to several arrays, so that third-party developers can implant unauthorized code, and executed by Flash Player."

To learn more about the vulnerability and download the upgraded version, go to the official website of Macromedia. Security company Secunia also rated the vulnerability as "highly dangerous.

Thomas Kristensen, chief technology officer of Secunia, said: "More users use Flash Player Plug-ins than those who only use IE browsers ."

According to the Secunia report, this vulnerability exists only for users using IE and opera browsers. For other browsers, such as Firefox, flash players are not included in their default configurations, so it will not be affected.

Kristensen added that Macromedia released the patch on the afternoon of the 4 th, and he was a little surprised at the time, because more potential victims may have already returned home, however, they generally only need to know the corresponding situation on the 7th or later.

Kristensen said: "It may take only one weekend to write programs that exploit this vulnerability for those who are eager to test ."

EEye Digital Security, a research firm, reported a vulnerability in Flash Player to Macromedia as early as June 27 this year.

Microsoft also issued a security warning later in November 9, requesting users such as Windows XP, XP SP2, 95, 98, and Windows Me to install the above third-party security patch as soon as possible.

According to TechWeb, a Microsoft spokesman said in an email: "Microsoft recommends that all users who use Macromedia Flash Player download security patches from the Macromedia Website as soon as possible to ensure they are not under attack ."

The spokesman said that Microsoft issued a security warning to users because Microsoft has used Macromedia Flash Player in several versions of operating systems, digital Security Company announced a security vulnerability in Flash last week. Attackers can exploit this vulnerability to control the operating system running Macromedia Flash Player. On the afternoon of the 4 th, Macromedia confirmed the vulnerability, it is rated as "dangerous". Macromedia recommends that you upgrade to version 8.0.22.0.

For its own software products, Microsoft usually releases security patches on schedule, but this is the first time that Microsoft reminds users to install third-party security patches, which is highly risky.