How severe is CVE-2007-0064?

CVE-2007-0064 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-0064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0064?

CVE-2007-0064 primarily affects Microsoft Windows Media Format Runtime. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-0064?

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

When was CVE-2007-0064 published?

CVE-2007-0064 was published on 2007-12-12 and last updated on 2026-06-16.

CVE-2007-0064

CVE-2007-0064 is a critical-severity vulnerability in Microsoft Windows Media Format Runtime with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 36% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 36% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Windows Media Format Runtime
Published: 2007-12-12
Last modified: 2026-06-16

Description

Heap-based buffer overflow in Windows Media Format Runtime 7.1, 9, 9.5, 9.5 x64 Edition, 11, and Windows Media Services 9.1 for Microsoft Windows 2000, XP, Server 2003, and Vista allows user-assisted remote attackers to execute arbitrary code via a crafted Advanced Systems Format (ASF) file.

Frequently asked questions

What is CVE-2007-0064?: Heap-based buffer overflow in Windows Media Format Runtime 7.1, 9, 9.5, 9.5 x64 Edition, 11, and Windows Media Services 9.1 for Microsoft Windows 2000, XP, Server 2003, and Vista allows user-assisted remote attackers to execute arbitrary code via a crafted Advanced Systems Format (ASF) file.
How severe is CVE-2007-0064?: CVE-2007-0064 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-0064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0064?: CVE-2007-0064 primarily affects Microsoft Windows Media Format Runtime. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-0064?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-0064 published?: CVE-2007-0064 was published on 2007-12-12 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:microsoft:windows_media_format_runtime:7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_media_format_runtime:9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_media_format_runtime:9.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_media_format_runtime:9.5:*:x64:*:*:*:*:*
cpe:2.3:a:microsoft:windows_media_format_runtime:11:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_media_services:9.1:*:*:*:*:*:*:*

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