How severe is CVE-2011-1971?

CVE-2011-1971 has a CVSS 2.0 base score of 4.7, rated medium severity.

Is CVE-2011-1971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1971?

CVE-2011-1971 primarily affects Microsoft Windows 7. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1971?

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

When was CVE-2011-1971 published?

CVE-2011-1971 was published on 2011-08-10 and last updated on 2026-06-16.

CVE-2011-1971

CVE-2011-1971 is a medium-severity vulnerability in Microsoft Windows 7 with a CVSS 2.0 base score of 4.7. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.7)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Windows 7
Published: 2011-08-10
Last modified: 2026-06-16

Description

The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly parse file metadata, which allows local users to cause a denial of service (reboot) via a crafted file, aka "Windows Kernel Metadata Parsing DOS Vulnerability."

Frequently asked questions

What is CVE-2011-1971?: The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly parse file metadata, which allows local users to cause a denial of service (reboot) via a crafted file, aka "Windows Kernel Metadata Parsing DOS Vulnerability."
How severe is CVE-2011-1971?: CVE-2011-1971 has a CVSS 2.0 base score of 4.7, rated medium severity.
Is CVE-2011-1971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1971?: CVE-2011-1971 primarily affects Microsoft Windows 7. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1971 published?: CVE-2011-1971 was published on 2011-08-10 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*
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:-:sp2:itanium:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*

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