CVE-2011-1961
HIGH · CVSS 9.3EPSS 34.2%EU EUVD
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."
Key facts
- CVSS score
- 9.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- EPSS score
- 34.2% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1955)
- Published
- August 10, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-1955 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / windows 7
- microsoft / windows 7
- microsoft / windows server 2003
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows vista
- microsoft / windows vista
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
References
- http://jvn.jp/en/jp/JVN80404511/index.html(Third Party Advisory, VDB Entry)
- http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-000060.html(Third Party Advisory, VDB Entry)
- http://www.us-cert.gov/cas/techalerts/TA11-221A.html(Third Party Advisory, US Government Resource)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057(Patch, Vendor Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12684(Tool Signature)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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