How severe is CVE-2011-0037?

CVE-2011-0037 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2011-0037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0037?

CVE-2011-0037 primarily affects Microsoft Forefront Client Security. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0037?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-0037 published?

CVE-2011-0037 was published on 2011-02-25 and last updated on 2026-06-16.

CVE-2011-0037

CVE-2011-0037 is a high-severity vulnerability in Microsoft Forefront Client Security with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Forefront Client Security
Published: 2011-02-25
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-0037?: CVE-2011-0037 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2011-0037 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0037?: CVE-2011-0037 primarily affects Microsoft Forefront Client Security. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0037?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-0037 published?: CVE-2011-0037 was published on 2011-02-25 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:microsoft:forefront_client_security:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:forefront_endpoint_protection_2010:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:malicious_software_removal_tool:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:malware_protection_engine:0.1.13.192:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:malware_protection_engine:1.1.3520.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:security_essentials:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_live_onecare:*:*:*:*:*:*:*:*

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