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THREATWIRE

CVE Tracker

CVE-2011-1889

Microsoft Forefront TMG Remote Code Execution Vulnerability

IN CISA KEV

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.

Vendor
Microsoft
Product
Forefront Threat Management Gateway (TMG)
CVSS
No score recorded (no NVD record loaded for this entry)
Published
Not recorded
NVD modified
Not recorded

CISA KEV

Date added
2022-03-03
Due date
2022-03-24
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.

EPSS

49.0% chance of exploitation in the next 30 days (percentile 98th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.