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Vulnerability record · CVE-2009-0090 · published 14 October 2009

CVE-2009-0090: Microsoft windows 2000 permissions and access controls vulnerability

Microsoft · Windows 2000

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, and 2.0 SP1 does not properly validate .NET verifiable code, which allows remote attackers to obtain unintended access to stack memory, and execute arbitrary code, via (1) a crafted XAML browser application (XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Microsoft .NET Framework Pointer Verification Vulnerability."

9.3 CVSS 2.0 High EPSS 21% · top 2.5% CWE-264 · Permissions and access controls
9.3CVSS 2.0 base score
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, and 2.0 SP1 does not properly validate .NET verifiable code, which allows remote attackers to obtain unintended access to stack memory, and execute arbitrary code, via (1) a crafted XAML browser application (XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Microsoft .NET Framework Pointer Verification Vulnerability."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.us-cert.gov/cas/techalerts/TA09-286A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-061
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5716
http://www.us-cert.gov/cas/techalerts/TA09-286A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-061
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5716

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2020-1350Windows DNS Server improper input validation remote code executionWindows DNS servers fail to properly handle certain requests, allowing remote code execution. The flaw is network-reachable, needs no authentication …KEVEPSS 97%analysed9.8CVE-2020-0646Microsoft .NET Framework input validation flaw enables remote code executionCVE-2020-0646 is a critical remote code execution vulnerability in the Microsoft .NET Framework caused by improper input validation, classified as XM…KEVEPSS 99%analysed9.8CVE-2019-0708Microsoft Remote Desktop Services use-after-free remote code executionRemote Desktop Services (formerly Terminal Services) contains a use-after-free flaw that lets an unauthenticated attacker execute code by sending spe…KEVEPSS 100%analysed9.8CVE-2017-8543Windows Search memory handling flaw allows remote code executionWindows Search fails to properly handle objects in memory, allowing an unauthenticated remote attacker to execute code on affected Windows systems. T…KEVEPSS 74%analysed9.8CVE-2015-1635Microsoft HTTP.sys remote code execution via crafted HTTP requestsHTTP.sys in multiple Windows versions fails to properly handle crafted HTTP requests, allowing remote code execution. The flaw is reachable over the …KEVEPSS 100%analysed9.8CVE-2008-4250Microsoft Windows Server service RPC path canonicalization buffer overflowThe Server service in multiple Windows versions fails to properly handle path canonicalization, allowing a crafted RPC request to overflow a buffer a…KEVEPSS 99%analysed9.0CVE-2020-1040Microsoft Hyper-V RemoteFX vGPU input validation remote code executionHyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, allowing remote code …KEVEPSS 7.4%analysed8.8CVE-2025-33073Windows SMB improper access control allows privilege elevationWindows SMB contains an improper access control flaw (CWE-284) that lets an authorized attacker elevate privileges over the network. Microsoft rates …KEVEPSS 83%analysed

Source: NIST National Vulnerability Database (record CVE-2009-0090), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.