CVE-2011-1961

critical Microsoft
CVSS v3 Base Score
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS Score
32.2%
Exploitation probability in 30 days
Top 3% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
C
Integrity
C
Availability
C
Published: August 10, 2011 (5391 days ago)
Last Modified: April 29, 2026
Vendor: Microsoft
Source: NVD

Description

The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka "Telnet Handler Remote Code Execution Vulnerability."

CWE

NVD-CWE-noinfo

Affected Products

microsoft internet explorer

References

🔗 jvn.jp 🔗 jvndb.jvn.jp 🔗 www.us-cert.gov 🔗 docs.microsoft.com 🔗 oval.cisecurity.org