High 9.3Published Aug 11, 2010

CVE-2010-1898The 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…

Updated under an hour ago (Nov 2, 2026, 12:20 AM ET)

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It affects microsoft .net_framework and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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."

CVSS: 9.3 HIGH (v2.0, NVD)AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

microsoft .net_framework microsoft:.net_framework	2.0; 2.0; 3.5; 3.5; 3.5.1	NVD
microsoft silverlight microsoft:silverlight	through 3.0.40818.0; 2.0.31005.00; 2.0.40115.00; 3.0.40624.00; 3.0.40723.0; through 3.0.50106.0; 2.0.31005.00; 2.0.40115.00; and 3 more ranges	NVD

References

References

http://www.us-cert.gov/cas/techalerts/TA10-222A.html	us-government-resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-060
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12033

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.