How severe is CVE-2003-0306?

CVE-2003-0306 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2003-0306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0306?

CVE-2003-0306 affects Microsoft Windows Xp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0306?

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-2003-0306 published?

CVE-2003-0306 was published on 2003-06-09 and last updated on 2026-06-16.

CVE-2003-0306

CVE-2003-0306 is a high-severity vulnerability in Microsoft Windows Xp 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.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows Xp
Published: 2003-06-09
Last modified: 2026-06-16

Description

Buffer overflow in EXPLORER.EXE on Windows XP allows attackers to execute arbitrary code as the XP user via a desktop.ini file with a long .ShellClassInfo parameter.

Frequently asked questions

What is CVE-2003-0306?: Buffer overflow in EXPLORER.EXE on Windows XP allows attackers to execute arbitrary code as the XP user via a desktop.ini file with a long .ShellClassInfo parameter.
How severe is CVE-2003-0306?: CVE-2003-0306 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2003-0306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0306?: CVE-2003-0306 affects Microsoft Windows Xp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0306?: 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-2003-0306 published?: CVE-2003-0306 was published on 2003-06-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:microsoft:windows_xp:*:gold:*:*:*:*:*:*

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