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CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.
A remote code execution vulnerability exists in the Forefront Threat Management Gateway (TMG) Firewall Client Winsock provider that could allow code execution in the security context of the client application.
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Explore global source statements, affected packages and advisory history for CVE-2011-1889. The catalog has a separate collection scope from Microsoft release records.
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Listed in CISA KEV · added 3 Mar 2022 · Microsoft · Forefront Threat Management Gateway (TMG)
A remote code execution vulnerability exists in the Forefront Threat Management Gateway (TMG) Firewall Client Winsock provider that could allow code execution in the security context of the client application.
No EPSS score is available here for this CVE.
Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)
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cve-program · CVE-2011-1889 · Published