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.

Published: 2008-08-13 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-1456 is rated High Risk (65.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 28.02%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2008-1456

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 66.29% 28.02% -38.28%
2 2025-12-28 63.10% 66.29% +3.19%
3 2025-12-27 63.10%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-1456

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.0 10.0 [email protected]

Weakness enumeration for CVE-2008-1456

Affected software / configurations for CVE-2008-1456

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

References for CVE-2008-1456

cvelogic Threat Intelligence