# Windows 2000 vulnerabilities > Windows 2000 is made by Microsoft. We track 635 published vulnerabilities listed under that exact name, across 6 versions. 8 of them are on the list of flaws known to be exploited, the newest added on 20 May 2026. Microsoft lists newer releases under their own names, such as Windows 2000 Terminal Services, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/microsoft/windows_2000 ## At a glance - **Made by:** [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) - **Published vulnerabilities:** 635 - **Known to be exploited:** 8 (listed under the name Windows 2000) - **Versions tracked:** 6 - **Most recently added to the known-exploited list:** [CVE-2010-0806](https://www.precursorintelligence.com/what-is/cve-2010-0806), 20 May 2026. We keep watching the list. ## Is Windows 2000 listed under other names? Microsoft also lists Windows 2000 under more specific names, such as Windows 2000 Terminal Services and Windows 2000 Advanced Server. Flaws listed only under those names are counted on their own pages, not here. - [Windows 2000 Terminal Services](https://www.precursorintelligence.com/product/microsoft/windows_2000_terminal_services): 24 published vulnerabilities - [Windows 2000 Advanced Server](https://www.precursorintelligence.com/product/microsoft/windows_2000_advanced_server): 1 published vulnerability ## Which versions of Windows 2000 do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2009-1537](https://www.precursorintelligence.com/what-is/cve-2009-1537) (Microsoft DirectX NULL Byte Overwrite Vulnerability): all versions 7 more exploited flaws name Windows 2000 without a version of its own (for example as the system other affected software runs on). They are in the list below. ## Which Windows 2000 vulnerabilities are being exploited? 8 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2010-0806](https://www.precursorintelligence.com/what-is/cve-2010-0806): Microsoft Internet Explorer Use-After-Free Vulnerability. High, CVSS 8.8, chance of use in 30 days 82%, known exploited since 20 May 2026. - [CVE-2008-4250](https://www.precursorintelligence.com/what-is/cve-2008-4250): Microsoft Windows Buffer Overflow Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 99%, known exploited since 20 May 2026. - [CVE-2009-1537](https://www.precursorintelligence.com/what-is/cve-2009-1537): Microsoft DirectX NULL Byte Overwrite Vulnerability. High, CVSS 8.8, chance of use in 30 days 51%, known exploited since 20 May 2026. - [CVE-2010-0249](https://www.precursorintelligence.com/what-is/cve-2010-0249): Microsoft Internet Explorer Use-After-Free Vulnerability. High, CVSS 8.8, chance of use in 30 days 92%, known exploited since 20 May 2026. - [CVE-2002-0367](https://www.precursorintelligence.com/what-is/cve-2002-0367): Microsoft Windows Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 4.9%, known exploited since 3 March 2022. - [CVE-2004-0210](https://www.precursorintelligence.com/what-is/cve-2004-0210): Microsoft Windows Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 7.2%, known exploited since 3 March 2022. - [CVE-2010-0232](https://www.precursorintelligence.com/what-is/cve-2010-0232): Microsoft Windows Kernel Exception Handler Vulnerability. High, CVSS 7.8, chance of use in 30 days 29%, known exploited since 3 March 2022. - [CVE-2009-1123](https://www.precursorintelligence.com/what-is/cve-2009-1123): Microsoft Windows Improper Input Validation Vulnerability. High, CVSS 7.8, chance of use in 30 days 4.9%, known exploited since 3 March 2022. ## Which Windows 2000 flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2003-0352](https://www.precursorintelligence.com/what-is/cve-2003-0352): 98%, High (CVSS 7.5) - [CVE-2009-1122](https://www.precursorintelligence.com/what-is/cve-2009-1122): 98%, High (CVSS 7.5) - [CVE-2005-1983](https://www.precursorintelligence.com/what-is/cve-2005-1983): 93%, Critical (CVSS 10.0) - [CVE-2009-3023](https://www.precursorintelligence.com/what-is/cve-2009-3023): 91%, Critical (CVSS 9.0) - [CVE-2001-0241](https://www.precursorintelligence.com/what-is/cve-2001-0241): 86%, Critical (CVSS 10.0) - [CVE-2003-0109](https://www.precursorintelligence.com/what-is/cve-2003-0109): 86%, High (CVSS 7.5) ## Questions ### How many vulnerabilities does Windows 2000 have? We track 635 published vulnerabilities listed under the name Windows 2000, across 6 versions. The most recent Windows 2000 flaw added to the known-exploited list is CVE-2010-0806, on 20 May 2026. ### Which Windows 2000 vulnerabilities are being exploited? 8 are on the list of flaws known to be exploited. The most recently added are CVE-2010-0806, CVE-2008-4250 and CVE-2009-1537. ### Why are newer Windows 2000 flaws missing from this page? Microsoft also lists Windows 2000 under more specific names, such as Windows 2000 Terminal Services and Windows 2000 Advanced Server. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list. ### Which versions of Windows 2000 do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2009-1537, affects all versions. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Windows 2000? Create a Precursor Intelligence account and track Windows 2000. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook. ## Running Windows 2000? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact