This security advisory describes one critical risk vulnerability.
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to insufficient validation of user-supplied input within TS WebProxy Windows component. A remote attacker can trick the victim into downloading a specially crafted file and execute it with privileges of the current user.
Successful exploitation of the vulnerability may result in full control of the vulnerable system.
Note: the vulnerability was being actively exploited.
Install update from vendor's website.
Windows: 7, 8, 8.1, RT, RT 8.1, Vista
Windows Server: 2008 R2, 2012, 2012 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.