CVE-2010-1898

The Common Language Runtime (CLR) in Microsoft .NET Framework 2.0 SP1, 2.0 SP2, 3.5, 3.5 SP1, and 3.5.1, and Microsoft Silverlight 2 and 3 before 3.0.50611.0 on Windows and before 3.0.41130.0 on Mac OS X, does not properly handle interfaces and delegations to virtual methods, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Microsoft Silverlight and Microsoft .NET Framework CLR Virtual Method Delegate Vulnerability."

Published: 2010-08-11 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-1898 is rated High Risk (66.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 25.03%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. 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-2010-1898

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 35.27% 25.03% -10.24%
2 2026-04-29 54.70% 35.27% -19.43%
3 2025-03-30 — 54.70% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-1898

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2010-1898

Affected software / configurations for CVE-2010-1898

Vendor Product Version Raw CPE
microsoft .net_framework 2.0 cpe:2.3:a:microsoft:.net_framework:2.0:sp1:*:*:*:*:*:*
microsoft .net_framework 2.0 cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
microsoft .net_framework 3.5 cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
microsoft .net_framework 3.5 cpe:2.3:a:microsoft:.net_framework:3.5:sp1:*:*:*:*:*:*
microsoft .net_framework 3.5.1 cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
microsoft silverlight <= 3.0.40818.0 cpe:2.3:a:microsoft:silverlight:*:*:*:*:*:*:*:*
microsoft silverlight 2.0.31005.00 cpe:2.3:a:microsoft:silverlight:2.0.31005.00:*:*:*:*:*:*:*
microsoft silverlight 2.0.40115.00 cpe:2.3:a:microsoft:silverlight:2.0.40115.00:*:*:*:*:*:*:*
microsoft silverlight 3.0.40624.00 cpe:2.3:a:microsoft:silverlight:3.0.40624.00:*:*:*:*:*:*:*
microsoft silverlight 3.0.40723.0 cpe:2.3:a:microsoft:silverlight:3.0.40723.0:*:*:*:*:*:*:*
microsoft silverlight <= 3.0.50106.0 cpe:2.3:a:microsoft:silverlight:*:*:*:*:*:*:*:*
microsoft silverlight 3.0.40818.0 cpe:2.3:a:microsoft:silverlight:3.0.40818.0:*:*:*:*:*:*:*

References for CVE-2010-1898

cvelogic Threat Intelligence