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Vulnerability record · CVE-2011-0037 · published 25 February 2011

CVE-2011-0037: Microsoft forefront client security improper input validation vulnerability

Microsoft · Forefront Client Security

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.

7.2 CVSS 2.0 High EPSS 1.8% · top 22.6% CWE-20 · Improper input validation
7.2CVSS 2.0 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

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.

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/43468 Vendor Advisory
http://securitytracker.com/id?1025117
http://www.microsoft.com/technet/security/advisory/2491888.mspx Vendor Advisory
http://www.securityfocus.com/bid/46540
http://www.vupen.com/english/advisories/2011/0486 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65626
http://secunia.com/advisories/43468 Vendor Advisory
http://securitytracker.com/id?1025117
http://www.microsoft.com/technet/security/advisory/2491888.mspx Vendor Advisory
http://www.securityfocus.com/bid/46540
http://www.vupen.com/english/advisories/2011/0486 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65626

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-0037), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.