How severe is CVE-2009-2517?

CVE-2009-2517 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2009-2517 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-2009-2517?

CVE-2009-2517 affects Microsoft Windows Server 2003. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2517?

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

When was CVE-2009-2517 published?

CVE-2009-2517 was published on 2009-10-14 and last updated on 2026-06-16.

CVE-2009-2517

CVE-2009-2517 is a medium-severity vulnerability in Microsoft Windows Server 2003 with a CVSS 2.0 base score of 4.9. 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 4.9)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Windows Server 2003
Published: 2009-10-14
Last modified: 2026-06-16

Description

The kernel in Microsoft Windows Server 2003 SP2 does not properly handle unspecified exceptions when an error condition occurs, which allows local users to cause a denial of service (reboot) via a crafted application, aka "Windows Kernel Exception Handler Vulnerability."

Frequently asked questions

What is CVE-2009-2517?: The kernel in Microsoft Windows Server 2003 SP2 does not properly handle unspecified exceptions when an error condition occurs, which allows local users to cause a denial of service (reboot) via a crafted application, aka "Windows Kernel Exception Handler Vulnerability."
How severe is CVE-2009-2517?: CVE-2009-2517 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-2517 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-2009-2517?: CVE-2009-2517 affects Microsoft Windows Server 2003. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2517 published?: CVE-2009-2517 was published on 2009-10-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

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