# Windows Server 1909 vulnerabilities > Windows Server 1909 is made by Microsoft. We track 15 published vulnerabilities in it, across 0 versions. 15 of them are on the list of flaws known to be exploited, the newest added on 23 May 2022. If you run Windows Server 1909, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/microsoft/windows_server_1909 ## At a glance - **Made by:** [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) - **Published vulnerabilities:** 15 - **Known to be exploited:** 15 - **Versions tracked:** 0 - **Most recently added to the known-exploited list:** [CVE-2020-1027](https://www.precursorintelligence.com/what-is/cve-2020-1027), 23 May 2022. We keep watching the list. ## Which versions of Windows Server 1909 do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2020-1472](https://www.precursorintelligence.com/what-is/cve-2020-1472) (Microsoft Netlogon Privilege Escalation Vulnerability): all versions 14 more exploited flaws name Windows Server 1909 without a version of its own (for example as the system other affected software runs on). They are in the list below. ## Which Windows Server 1909 vulnerabilities are being exploited? 15 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2020-1027](https://www.precursorintelligence.com/what-is/cve-2020-1027): Microsoft Windows Kernel Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 4.5%, known exploited since 23 May 2022. - [CVE-2020-0638](https://www.precursorintelligence.com/what-is/cve-2020-0638): Microsoft Update Notification Manager Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 2.4%, known exploited since 23 May 2022. - [CVE-2020-0796](https://www.precursorintelligence.com/what-is/cve-2020-0796): Microsoft SMBv3 Remote Code Execution Vulnerability. Critical, CVSS 10.0, chance of use in 30 days >99%, known exploited since 10 February 2022. - [CVE-2020-0787](https://www.precursorintelligence.com/what-is/cve-2020-0787): Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability. High, CVSS 7.8, chance of use in 30 days 43%, known exploited since 28 January 2022. - [CVE-2020-1020](https://www.precursorintelligence.com/what-is/cve-2020-1020): Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 65%, known exploited since 3 November 2021. - [CVE-2020-1054](https://www.precursorintelligence.com/what-is/cve-2020-1054): Microsoft Win32k Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 54%, known exploited since 3 November 2021. - [CVE-2020-1464](https://www.precursorintelligence.com/what-is/cve-2020-1464): Microsoft Windows Spoofing Vulnerability. High, CVSS 7.8, chance of use in 30 days 39%, known exploited since 3 November 2021. - [CVE-2020-1472](https://www.precursorintelligence.com/what-is/cve-2020-1472): Microsoft Netlogon Privilege Escalation Vulnerability. Medium, CVSS 5.5, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2021-1647](https://www.precursorintelligence.com/what-is/cve-2021-1647): Microsoft Defender Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 39%, known exploited since 3 November 2021. - [CVE-2021-1732](https://www.precursorintelligence.com/what-is/cve-2021-1732): Microsoft Win32k Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 78%, known exploited since 3 November 2021. - [CVE-2020-0601](https://www.precursorintelligence.com/what-is/cve-2020-0601): Microsoft Windows CryptoAPI Spoofing Vulnerability. High, CVSS 8.1, chance of use in 30 days 89%, known exploited since 3 November 2021. - [CVE-2021-28310](https://www.precursorintelligence.com/what-is/cve-2021-28310): Microsoft Win32k Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 8.4%, known exploited since 3 November 2021. - [CVE-2020-0683](https://www.precursorintelligence.com/what-is/cve-2020-0683): Microsoft Windows Installer Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 7.6%, known exploited since 3 November 2021. - [CVE-2020-0938](https://www.precursorintelligence.com/what-is/cve-2020-0938): Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 69%, known exploited since 3 November 2021. - [CVE-2020-0986](https://www.precursorintelligence.com/what-is/cve-2020-0986): Microsoft Windows Kernel Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 16%, known exploited since 3 November 2021. ## Which Windows Server 1909 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-2020-0796](https://www.precursorintelligence.com/what-is/cve-2020-0796): >99%, Critical (CVSS 10.0), known exploited - [CVE-2020-1472](https://www.precursorintelligence.com/what-is/cve-2020-1472): >99%, Medium (CVSS 5.5), known exploited - [CVE-2020-0601](https://www.precursorintelligence.com/what-is/cve-2020-0601): 89%, High (CVSS 8.1), known exploited - [CVE-2021-1732](https://www.precursorintelligence.com/what-is/cve-2021-1732): 78%, High (CVSS 7.8), known exploited - [CVE-2020-0938](https://www.precursorintelligence.com/what-is/cve-2020-0938): 69%, High (CVSS 7.8), known exploited - [CVE-2020-1020](https://www.precursorintelligence.com/what-is/cve-2020-1020): 65%, High (CVSS 8.8), known exploited - [CVE-2020-1054](https://www.precursorintelligence.com/what-is/cve-2020-1054): 54%, High (CVSS 7.8), known exploited - [CVE-2020-0787](https://www.precursorintelligence.com/what-is/cve-2020-0787): 43%, High (CVSS 7.8), known exploited - [CVE-2021-1647](https://www.precursorintelligence.com/what-is/cve-2021-1647): 39%, High (CVSS 7.8), known exploited - [CVE-2020-1464](https://www.precursorintelligence.com/what-is/cve-2020-1464): 39%, High (CVSS 7.8), known exploited ## Questions ### How many vulnerabilities does Windows Server 1909 have? We track 15 published vulnerabilities listed under the name Windows Server 1909, across 0 versions. The most recent Windows Server 1909 flaw added to the known-exploited list is CVE-2020-1027, on 23 May 2022. ### Which Windows Server 1909 vulnerabilities are being exploited? 15 are on the list of flaws known to be exploited. The most recently added are CVE-2020-1027, CVE-2020-0638 and CVE-2020-0796. ### Which versions of Windows Server 1909 do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2020-1472, affects all versions. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Windows Server 1909? Create a Precursor Intelligence account and track Windows Server 1909. 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 Server 1909? 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