This security advisory describes one critical risk vulnerability.
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an error when parsing icons to .lnk and .pif files within Windows Explorer. A remote attacker can create a specially crafted icon file, trick the victim into clicking on it and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.Mitigation
Install updates from Microsoft website.
Windows: 7, Vista, XP
Windows Server: 2003, 2008, 2008 R2CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.