CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2022-03-03Vulnerability

CVE-2011-1889

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.

Properties

Vulnerability name
Microsoft Forefront TMG Remote Code Execution Vulnerability
First seen
2025-10-22T00:05:49+00:00
Cvss score
9.8
Epss score
0.4902
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-03-24
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-03-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-03-03
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor project
Microsoft

Related Entities (4)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2011-1889 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal