# Office Web Apps vulnerabilities > Office Web Apps is made by Microsoft. We track 106 published vulnerabilities listed under that exact name, across 2 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 28 March 2022. Microsoft lists newer releases under their own names, such as Office Web Apps Server, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/microsoft/office_web_apps ## At a glance - **Made by:** [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) - **Published vulnerabilities:** 106 - **Known to be exploited:** 3 (listed under the name Office Web Apps) - **Versions tracked:** 2 - **Most recently added to the known-exploited list:** [CVE-2012-2539](https://www.precursorintelligence.com/what-is/cve-2012-2539), 28 March 2022. We keep watching the list. ## Is Office Web Apps listed under other names? Microsoft also lists Office Web Apps under more specific names, such as Office Web Apps Server. Flaws listed only under those names are counted on their own pages, not here. - [Office Web Apps Server](https://www.precursorintelligence.com/product/microsoft/office_web_apps_server): 62 published vulnerabilities ## Which versions of Office Web Apps do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2012-2539](https://www.precursorintelligence.com/what-is/cve-2012-2539) (Microsoft Word Remote Code Execution Vulnerability): 2010-sp1 - [CVE-2014-1761](https://www.precursorintelligence.com/what-is/cve-2014-1761) (Microsoft Word Memory Corruption Vulnerability): 2010-sp1, 2010-sp2 - [CVE-2015-1641](https://www.precursorintelligence.com/what-is/cve-2015-1641) (Microsoft Office Memory Corruption Vulnerability): 2010-sp2, 2013-sp1 ## Which Office Web Apps vulnerabilities are being exploited? 3 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2012-2539](https://www.precursorintelligence.com/what-is/cve-2012-2539): Microsoft Word Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 53%, known exploited since 28 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. - [CVE-2015-1641](https://www.precursorintelligence.com/what-is/cve-2015-1641): Microsoft Office Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 97%, known exploited since 3 November 2021. ## Which Office Web Apps 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-2015-1641](https://www.precursorintelligence.com/what-is/cve-2015-1641): 97%, High (CVSS 7.8), known exploited - [CVE-2023-21716](https://www.precursorintelligence.com/what-is/cve-2023-21716): 85%, Critical (CVSS 9.8) - [CVE-2017-0105](https://www.precursorintelligence.com/what-is/cve-2017-0105): 30%, Medium (CVSS 5.5) - [CVE-2013-3895](https://www.precursorintelligence.com/what-is/cve-2013-3895): 30%, Medium (CVSS 6.8) ## Questions ### How many vulnerabilities does Office Web Apps have? We track 106 published vulnerabilities listed under the name Office Web Apps, across 2 versions. The most recent Office Web Apps flaw added to the known-exploited list is CVE-2012-2539, on 28 March 2022. ### Which Office Web Apps vulnerabilities are being exploited? 3 are on the list of flaws known to be exploited. The most recently added are CVE-2012-2539, CVE-2014-1761 and CVE-2015-1641. ### Why are newer Office Web Apps flaws missing from this page? Microsoft also lists Office Web Apps under more specific names, such as Office Web Apps 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 Office Web Apps do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2012-2539, affects 2010-sp1. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Office Web Apps? Create a Precursor Intelligence account and track Office Web Apps. 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? 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