# Open XML File Format Converter vulnerabilities > Open XML File Format Converter is made by Microsoft. We track 81 published vulnerabilities in it, across 0 versions. 4 of them are on the list of flaws known to be exploited, the newest added on 8 June 2022. If you run Open XML File Format Converter, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/microsoft/open_xml_file_format_converter ## At a glance - **Made by:** [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) - **Published vulnerabilities:** 81 - **Known to be exploited:** 4 - **Versions tracked:** 0 - **Most recently added to the known-exploited list:** [CVE-2009-0557](https://www.precursorintelligence.com/what-is/cve-2009-0557), 8 June 2022. We keep watching the list. ## Which versions of Open XML File Format Converter do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2009-3129](https://www.precursorintelligence.com/what-is/cve-2009-3129) (Microsoft Excel Featheader Record Memory Corruption Vulnerability): all versions 3 more exploited flaws name Open XML File Format Converter without a version of its own (for example as the system other affected software runs on). They are in the list below. ## Which Open XML File Format Converter vulnerabilities are being exploited? 4 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2009-0557](https://www.precursorintelligence.com/what-is/cve-2009-0557): Microsoft Office Object Record Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 53%, known exploited since 8 June 2022. - [CVE-2009-0563](https://www.precursorintelligence.com/what-is/cve-2009-0563): Microsoft Office Buffer Overflow Vulnerability. High, CVSS 7.8, chance of use in 30 days 63%, known exploited since 8 June 2022. - [CVE-2009-3129](https://www.precursorintelligence.com/what-is/cve-2009-3129): Microsoft Excel Featheader Record Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 84%, known exploited since 3 March 2022. - [CVE-2010-3333](https://www.precursorintelligence.com/what-is/cve-2010-3333): Microsoft Office Stack-based Buffer Overflow Vulnerability. High, CVSS 7.8, chance of use in 30 days 89%, known exploited since 3 March 2022. ## Which Open XML File Format Converter 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-2010-3333](https://www.precursorintelligence.com/what-is/cve-2010-3333): 89%, High (CVSS 7.8), known exploited - [CVE-2011-0105](https://www.precursorintelligence.com/what-is/cve-2011-0105): 70%, Critical (CVSS 9.3) - [CVE-2010-0822](https://www.precursorintelligence.com/what-is/cve-2010-0822): 70%, Critical (CVSS 9.3) ## Questions ### How many vulnerabilities does Open XML File Format Converter have? We track 81 published vulnerabilities listed under the name Open XML File Format Converter, across 0 versions. The most recent Open XML File Format Converter flaw added to the known-exploited list is CVE-2009-0557, on 8 June 2022. ### Which Open XML File Format Converter vulnerabilities are being exploited? 4 are on the list of flaws known to be exploited. The most recently added are CVE-2009-0557, CVE-2009-0563 and CVE-2009-3129. ### Which versions of Open XML File Format Converter do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2009-3129, affects all versions. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Open XML File Format Converter? Create a Precursor Intelligence account and track Open XML File Format Converter. 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 Open XML File Format Converter? 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