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CVE-2011-1889: Microsoft Forefront TMG Remote Code Execution Vulnerability
Microsoft Forefront Threat Management Gateway (TMG) · in CISA KEV since 2022-03-03
2022-03-03added to KEV
2022-03-24federal remediation due date
49.02%EPSS exploit probability (30 days) 98.8th percentile
9.8 CRITICALCVSS 3.1
Unknownknown ransomware use
3,913days from NVD publication to KEV
What it is
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.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-119 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2011-06-16 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2011-1889.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.