CVE-2012-0174

Windows Firewall in tcpip.sys in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly enforce firewall rules for outbound broadcast packets, which allows remote attackers to obtain potentially sensitive information by observing broadcast traffic on a local network, aka "Windows Firewall Bypass Vulnerability."

Published: 2012-05-09 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-0174 is rated Moderate Risk (41.7/100): CVSS Low severity, with high exploitation likelihood (EPSS 5.02%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.99% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-0174

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.03% 5.02% +2.99%
2 2026-06-14 0.96% 2.03% +1.07%
3 2025-03-30 — 0.96% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0174

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
1.7 2.0 LOW
AV:L/AC:L/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.1 2.9 [email protected]

Weakness enumeration for CVE-2012-0174

NVD evaluator notes for CVE-2012-0174

Impact: Per http://technet.microsoft.com/en-us/security/bulletin/ms12-032 "An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability." "In order to use this vulnerability, an attacker would first have to gain access to the local subnet of the target computer. An attacker could then use another vulnerability to acquire information about the target system or execute code on the target system."

Affected software / configurations for CVE-2012-0174

Vendor Product Version Raw CPE
microsoft windows_7 — cpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:*
microsoft windows_7 — cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*
microsoft windows_7 — cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*
microsoft windows_server_2008 — cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
microsoft windows_vista — cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

References for CVE-2012-0174

cvelogic Threat Intelligence