# Office Web Apps Server vulnerabilities > Office Web Apps Server is made by Microsoft. We track 62 published vulnerabilities in it, across 2 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 3 March 2022. If you run Office Web Apps Server, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/microsoft/office_web_apps_server ## At a glance - **Made by:** [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) - **Published vulnerabilities:** 62 - **Known to be exploited:** 2 - **Versions tracked:** 2 - **Most recently added to the known-exploited list:** [CVE-2017-11826](https://www.precursorintelligence.com/what-is/cve-2017-11826), 3 March 2022. We keep watching the list. ## Which versions of Office Web Apps Server do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2017-11826](https://www.precursorintelligence.com/what-is/cve-2017-11826) (Microsoft Office Remote Code Execution Vulnerability): 2010-sp2, 2013-sp1 - [CVE-2014-1761](https://www.precursorintelligence.com/what-is/cve-2014-1761) (Microsoft Word Memory Corruption Vulnerability): 2013 ## Which Office Web Apps Server vulnerabilities are being exploited? 2 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2017-11826](https://www.precursorintelligence.com/what-is/cve-2017-11826): Microsoft Office Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 81%, known exploited since 3 March 2022. - [CVE-2014-1761](https://www.precursorintelligence.com/what-is/cve-2014-1761): Microsoft Word Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 78%, known exploited since 15 February 2022. ## Which Office Web Apps Server 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-2017-11826](https://www.precursorintelligence.com/what-is/cve-2017-11826): 81%, High (CVSS 7.8), known exploited - [CVE-2016-3282](https://www.precursorintelligence.com/what-is/cve-2016-3282): 26%, High (CVSS 7.8) - [CVE-2018-0797](https://www.precursorintelligence.com/what-is/cve-2018-0797): 25%, High (CVSS 7.8) - [CVE-2017-8742](https://www.precursorintelligence.com/what-is/cve-2017-8742): 22%, High (CVSS 7.8) - [CVE-2019-0585](https://www.precursorintelligence.com/what-is/cve-2019-0585): 22%, High (CVSS 8.8) - [CVE-2016-0127](https://www.precursorintelligence.com/what-is/cve-2016-0127): 21%, High (CVSS 7.8) ## Questions ### How many vulnerabilities does Office Web Apps Server have? We track 62 published vulnerabilities listed under the name Office Web Apps Server, across 2 versions. The most recent Office Web Apps Server flaw added to the known-exploited list is CVE-2017-11826, on 3 March 2022. ### Which Office Web Apps Server vulnerabilities are being exploited? 2 are on the list of flaws known to be exploited. The most recently added are CVE-2017-11826 and CVE-2014-1761. ### Which versions of Office Web Apps Server do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2017-11826, affects 2010-sp2, 2013-sp1. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Office Web Apps Server? Create a Precursor Intelligence account and track Office Web Apps Server. 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 Office Web Apps Server? 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