CVE-2011-0037

Microsoft Malware Protection Engine before 1.1.6603.0, as used in Microsoft Malicious Software Removal Tool (MSRT), Windows Defender, Security Essentials, Forefront Client Security, Forefront Endpoint Protection 2010, and Windows Live OneCare, allows local users to gain privileges via a crafted value of an unspecified user registry key.

Published: 2011-02-25 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-0037 is rated Moderate Risk (48.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.36%). Mandatory action: Review affected assets and schedule 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-2011-0037

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 2025-08-17 0.81% 0.36% -0.45%
2 2025-03-30 0.41% 0.81% +0.40%
3 2025-03-29 0.41%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0037

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C 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:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.9 10.0 [email protected]

Weakness enumeration for CVE-2011-0037

Affected software / configurations for CVE-2011-0037

Vendor Product Version Raw CPE
microsoft forefront_client_security cpe:2.3:a:microsoft:forefront_client_security:*:*:*:*:*:*:*:*
microsoft forefront_endpoint_protection_2010 cpe:2.3:a:microsoft:forefront_endpoint_protection_2010:-:*:*:*:*:*:*:*
microsoft malicious_software_removal_tool cpe:2.3:a:microsoft:malicious_software_removal_tool:*:*:*:*:*:*:*:*
microsoft malware_protection_engine <= 1.1.6502.0 cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
microsoft malware_protection_engine 0.1.13.192 cpe:2.3:a:microsoft:malware_protection_engine:0.1.13.192:*:*:*:*:*:*:*
microsoft malware_protection_engine 1.1.3520.0 cpe:2.3:a:microsoft:malware_protection_engine:1.1.3520.0:*:*:*:*:*:*:*
microsoft security_essentials cpe:2.3:a:microsoft:security_essentials:*:*:*:*:*:*:*:*
microsoft windows_defender cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:*
microsoft windows_live_onecare cpe:2.3:a:microsoft:windows_live_onecare:*:*:*:*:*:*:*:*

References for CVE-2011-0037

cvelogic Threat Intelligence