How severe is CVE-2008-1456?

CVE-2008-1456 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2008-1456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1456?

CVE-2008-1456 primarily affects Microsoft Windows-nt. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1456?

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-2008-1456 published?

CVE-2008-1456 was published on 2008-08-13 and last updated on 2026-06-16.

CVE-2008-1456

CVE-2008-1456 is a critical-severity vulnerability in Microsoft Windows-nt with a CVSS 2.0 base score of 9.0. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 28% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Windows-nt
Published: 2008-08-13
Last modified: 2026-06-16

Description

Array index vulnerability in the Event System in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote authenticated users to execute arbitrary code via a crafted event subscription request that is used to access an array of function pointers.

Frequently asked questions

What is CVE-2008-1456?: Array index vulnerability in the Event System in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote authenticated users to execute arbitrary code via a crafted event subscription request that is used to access an array of function pointers.
How severe is CVE-2008-1456?: CVE-2008-1456 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2008-1456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1456?: CVE-2008-1456 primarily affects Microsoft Windows-nt. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1456?: 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-2008-1456 published?: CVE-2008-1456 was published on 2008-08-13 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:o:microsoft:windows-nt:2008:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows-nt:vista:*:gold:*:*:*:*:*
cpe:2.3:o:microsoft:windows-nt:xp:sp3:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:*:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*

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