How severe is CVE-2011-1264?

CVE-2011-1264 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-1264 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1264?

CVE-2011-1264 primarily affects Microsoft Windows 2003 Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1264?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1264 published?

CVE-2011-1264 was published on 2011-06-16 and last updated on 2026-06-16.

CVE-2011-1264

CVE-2011-1264 is a medium-severity vulnerability in Microsoft Windows 2003 Server with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Windows 2003 Server
Published: 2011-06-16
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Active Directory Certificate Services Web Enrollment in Microsoft Windows Server 2003 SP2 and Server 2008 Gold, SP2, R2, and R2 SP1 allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter, aka "Active Directory Certificate Services Vulnerability."

Frequently asked questions

What is CVE-2011-1264?: Cross-site scripting (XSS) vulnerability in Active Directory Certificate Services Web Enrollment in Microsoft Windows Server 2003 SP2 and Server 2008 Gold, SP2, R2, and R2 SP1 allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter, aka "Active Directory Certificate Services Vulnerability."
How severe is CVE-2011-1264?: CVE-2011-1264 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1264 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1264?: CVE-2011-1264 primarily affects Microsoft Windows 2003 Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1264?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1264 published?: CVE-2011-1264 was published on 2011-06-16 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*

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