# Office vulnerabilities > Office is made by Microsoft. We track 936 published vulnerabilities listed under that exact name, across 35 versions. 38 of them are on the list of flaws known to be exploited, the newest added on 14 April 2026. Microsoft lists newer releases under their own names, such as Office Compatibility Pack, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/microsoft/office ## At a glance - **Made by:** [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) - **Published vulnerabilities:** 936 - **Known to be exploited:** 38 (listed under the name Office) - **Versions tracked:** 35 - **Most recently added to the known-exploited list:** [CVE-2009-0238](https://www.precursorintelligence.com/what-is/cve-2009-0238), 14 April 2026. We keep watching the list. ## Is Office listed under other names? Microsoft also lists Office under more specific names, such as Office Compatibility Pack and Office Long Term Servicing Channel. Flaws listed only under those names are counted on their own pages, not here. - [Office Compatibility Pack](https://www.precursorintelligence.com/product/microsoft/office_compatibility_pack): 210 published vulnerabilities - [Office Long Term Servicing Channel](https://www.precursorintelligence.com/product/microsoft/office_long_term_servicing_channel): 173 published vulnerabilities - [Office Online Server](https://www.precursorintelligence.com/product/microsoft/office_online_server): 151 published vulnerabilities - [Office Web Apps](https://www.precursorintelligence.com/product/microsoft/office_web_apps): 106 published vulnerabilities - [Office 365 Proplus](https://www.precursorintelligence.com/product/microsoft/office_365_proplus): 84 published vulnerabilities - [Office Web Apps Server](https://www.precursorintelligence.com/product/microsoft/office_web_apps_server): 62 published vulnerabilities - [Office Word Viewer](https://www.precursorintelligence.com/product/microsoft/office_word_viewer): 44 published vulnerabilities - [Office Excel Viewer](https://www.precursorintelligence.com/product/microsoft/office_excel_viewer): 29 published vulnerabilities - [Office Compatibility Pack for Word Excel Ppt 2007](https://www.precursorintelligence.com/product/microsoft/office_compatibility_pack_for_word_excel_ppt_2007): 24 published vulnerabilities - [Office Powerpoint Viewer](https://www.precursorintelligence.com/product/microsoft/office_powerpoint_viewer): 18 published vulnerabilities - [Office Sharepoint Server](https://www.precursorintelligence.com/product/microsoft/office_sharepoint_server): 18 published vulnerabilities - [Office Powerpoint](https://www.precursorintelligence.com/product/microsoft/office_powerpoint): 15 published vulnerabilities ## Which versions of Office do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2009-0238](https://www.precursorintelligence.com/what-is/cve-2009-0238) (Microsoft Office Remote Code Execution): 2004, 2008 - [CVE-2012-1854](https://www.precursorintelligence.com/what-is/cve-2012-1854) (Microsoft Visual Basic for Applications Insecure Library Loading Vulnerability): 2003-sp3, 2007-sp2, 2007-sp3, 2010, 2010-sp1 - [CVE-2007-0671](https://www.precursorintelligence.com/what-is/cve-2007-0671) (Microsoft Office Excel Remote Code Execution Vulnerability): xp-sp3, 2000-sp3, 2003-sp2, 2004 - [CVE-2024-38189](https://www.precursorintelligence.com/what-is/cve-2024-38189) (Microsoft Project Remote Code Execution Vulnerability): 2019 - [CVE-2023-36761](https://www.precursorintelligence.com/what-is/cve-2023-36761) (Microsoft Word Information Disclosure Vulnerability): 2019 - [CVE-2023-35311](https://www.precursorintelligence.com/what-is/cve-2023-35311) (Microsoft Outlook Security Feature Bypass Vulnerability): 2019 - [CVE-2023-23397](https://www.precursorintelligence.com/what-is/cve-2023-23397) (Microsoft Office Outlook Privilege Escalation Vulnerability): 2019 - [CVE-2006-2492](https://www.precursorintelligence.com/what-is/cve-2006-2492) (Microsoft Word Malformed Object Pointer Vulnerability): xp-sp3, 2000-sp3, 2003-sp1, 2003-sp2 - [CVE-2009-0557](https://www.precursorintelligence.com/what-is/cve-2009-0557) (Microsoft Office Object Record Corruption Vulnerability): xp-sp3, 2000-sp3, 2003-sp3, 2004, 2007-sp1, 2007-sp2, 2008 - [CVE-2009-0563](https://www.precursorintelligence.com/what-is/cve-2009-0563) (Microsoft Office Buffer Overflow Vulnerability): xp-sp3, 2000-sp3, 2003-sp3, 2004, 2007-sp1, 2007-sp2, 2008 - [CVE-2012-1889](https://www.precursorintelligence.com/what-is/cve-2012-1889) (Microsoft XML Core Services Memory Corruption Vulnerability): 2003-sp3, 2007-sp2, 2007-sp3 - [CVE-2013-1331](https://www.precursorintelligence.com/what-is/cve-2013-1331) (Microsoft Office Buffer Overflow Vulnerability): 2003-sp3, 2011 - [CVE-2015-1770](https://www.precursorintelligence.com/what-is/cve-2015-1770) (Microsoft Office Uninitialized Memory Use Vulnerability): 2013-sp1 - [CVE-2021-38646](https://www.precursorintelligence.com/what-is/cve-2021-38646) (Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability): 2013-sp1, 2016, 2019 - [CVE-2015-1642](https://www.precursorintelligence.com/what-is/cve-2015-1642) (Microsoft Office Memory Corruption Vulnerability): 2007-sp3, 2010-sp2, 2013-sp1 - [CVE-2009-3129](https://www.precursorintelligence.com/what-is/cve-2009-3129) (Microsoft Excel Featheader Record Memory Corruption Vulnerability): 2004, 2008 - [CVE-2015-2424](https://www.precursorintelligence.com/what-is/cve-2015-2424) (Microsoft PowerPoint Memory Corruption Vulnerability): 2007-sp3, 2010-sp2, 2011, 2013-sp1 - [CVE-2015-2545](https://www.precursorintelligence.com/what-is/cve-2015-2545) (Microsoft Office Malformed EPS File Vulnerability): 2007-sp3, 2010-sp2, 2013-sp1, 2016 - [CVE-2016-7193](https://www.precursorintelligence.com/what-is/cve-2016-7193) (Microsoft Office Memory Corruption Vulnerability): 2007-sp3, 2010-sp2, 2016 - [CVE-2019-1297](https://www.precursorintelligence.com/what-is/cve-2019-1297) (Microsoft Excel Remote Code Execution Vulnerability): 2016, 2019 - [CVE-2012-1856](https://www.precursorintelligence.com/what-is/cve-2012-1856) (Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability): 2003-sp3, 2007-sp2, 2007-sp3, 2010-sp1 - [CVE-2017-0261](https://www.precursorintelligence.com/what-is/cve-2017-0261) (Microsoft Office Use-After-Free Vulnerability): 2010-sp2, 2013-sp1, 2016 - [CVE-2010-3333](https://www.precursorintelligence.com/what-is/cve-2010-3333) (Microsoft Office Stack-based Buffer Overflow Vulnerability): xp-sp3, 2003-sp3, 2004, 2007-sp2, 2008, 2010, 2011 - [CVE-2017-8570](https://www.precursorintelligence.com/what-is/cve-2017-8570) (Microsoft Office Remote Code Execution Vulnerability): 2007-sp3, 2010-sp2, 2013-sp1, 2016 - [CVE-2013-3906](https://www.precursorintelligence.com/what-is/cve-2013-3906) (Microsoft Graphics Component Memory Corruption Vulnerability): 2003-sp3, 2007-sp3, 2010-sp1, 2010-sp2 - [CVE-2014-1761](https://www.precursorintelligence.com/what-is/cve-2014-1761) (Microsoft Word Memory Corruption Vulnerability): 2011 - [CVE-2017-0262](https://www.precursorintelligence.com/what-is/cve-2017-0262) (Microsoft Office Remote Code Execution Vulnerability): 2010-sp2, 2013-sp1, 2016 - [CVE-2021-42292](https://www.precursorintelligence.com/what-is/cve-2021-42292) (Microsoft Excel Security Feature Bypass): 2013-sp1, 2016, 2019 2 more exploited flaws name Office without a version of its own (for example as the system other affected software runs on). They are in the list below. Checked: the 30 most recently added of 38 exploited flaws. ## Which Office vulnerabilities are being exploited? 38 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2009-0238](https://www.precursorintelligence.com/what-is/cve-2009-0238): Microsoft Office Remote Code Execution. High, CVSS 8.8, chance of use in 30 days 43%, known exploited since 14 April 2026. - [CVE-2012-1854](https://www.precursorintelligence.com/what-is/cve-2012-1854): Microsoft Visual Basic for Applications Insecure Library Loading Vulnerability. Medium, CVSS 6.9, chance of use in 30 days 21%, known exploited since 13 April 2026. - [CVE-2007-0671](https://www.precursorintelligence.com/what-is/cve-2007-0671): Microsoft Office Excel Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 43%, known exploited since 12 August 2025. - [CVE-2024-21413](https://www.precursorintelligence.com/what-is/cve-2024-21413): Microsoft Outlook Improper Input Validation Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 95%, known exploited since 6 February 2025. - [CVE-2024-38226](https://www.precursorintelligence.com/what-is/cve-2024-38226): Microsoft Publisher Protection Mechanism Failure Vulnerability. High, CVSS 7.3, chance of use in 30 days 2.7%, known exploited since 10 September 2024. - [CVE-2024-38189](https://www.precursorintelligence.com/what-is/cve-2024-38189): Microsoft Project Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 8.2%, known exploited since 13 August 2024. - [CVE-2023-36761](https://www.precursorintelligence.com/what-is/cve-2023-36761): Microsoft Word Information Disclosure Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 20%, known exploited since 12 September 2023. - [CVE-2023-35311](https://www.precursorintelligence.com/what-is/cve-2023-35311): Microsoft Outlook Security Feature Bypass Vulnerability. High, CVSS 8.8, chance of use in 30 days 16%, known exploited since 11 July 2023. - [CVE-2023-23397](https://www.precursorintelligence.com/what-is/cve-2023-23397): Microsoft Office Outlook Privilege Escalation Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 97%, known exploited since 14 March 2023. - [CVE-2006-2492](https://www.precursorintelligence.com/what-is/cve-2006-2492): Microsoft Word Malformed Object Pointer Vulnerability. High, CVSS 8.8, chance of use in 30 days 48%, known exploited since 8 June 2022. - [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-2012-1889](https://www.precursorintelligence.com/what-is/cve-2012-1889): Microsoft XML Core Services Memory Corruption Vulnerability. High, CVSS 8.8, chance of use in 30 days 84%, known exploited since 8 June 2022. - [CVE-2013-1331](https://www.precursorintelligence.com/what-is/cve-2013-1331): Microsoft Office Buffer Overflow Vulnerability. High, CVSS 7.8, chance of use in 30 days 80%, known exploited since 8 June 2022. - [CVE-2015-1770](https://www.precursorintelligence.com/what-is/cve-2015-1770): Microsoft Office Uninitialized Memory Use Vulnerability. High, CVSS 8.8, chance of use in 30 days 35%, known exploited since 28 March 2022. - [CVE-2021-38646](https://www.precursorintelligence.com/what-is/cve-2021-38646): Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 8.0%, known exploited since 28 March 2022. - [CVE-2015-1642](https://www.precursorintelligence.com/what-is/cve-2015-1642): Microsoft Office Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 53%, known exploited since 3 March 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-2015-2424](https://www.precursorintelligence.com/what-is/cve-2015-2424): Microsoft PowerPoint Memory Corruption Vulnerability. High, CVSS 8.8, chance of use in 30 days 40%, known exploited since 3 March 2022. - [CVE-2015-2545](https://www.precursorintelligence.com/what-is/cve-2015-2545): Microsoft Office Malformed EPS File Vulnerability. High, CVSS 7.8, chance of use in 30 days 86%, known exploited since 3 March 2022. - [CVE-2016-7193](https://www.precursorintelligence.com/what-is/cve-2016-7193): Microsoft Office Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 58%, known exploited since 3 March 2022. - [CVE-2019-1297](https://www.precursorintelligence.com/what-is/cve-2019-1297): Microsoft Excel Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 22%, known exploited since 3 March 2022. - [CVE-2012-1856](https://www.precursorintelligence.com/what-is/cve-2012-1856): Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 72%, known exploited since 3 March 2022. - [CVE-2017-0261](https://www.precursorintelligence.com/what-is/cve-2017-0261): Microsoft Office Use-After-Free Vulnerability. High, CVSS 7.8, chance of use in 30 days 78%, 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. - [CVE-2017-8570](https://www.precursorintelligence.com/what-is/cve-2017-8570): Microsoft Office Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 90%, known exploited since 25 February 2022. - [CVE-2013-3906](https://www.precursorintelligence.com/what-is/cve-2013-3906): Microsoft Graphics Component Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 85%, known exploited since 15 February 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-2017-0262](https://www.precursorintelligence.com/what-is/cve-2017-0262): Microsoft Office Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 81%, known exploited since 10 February 2022. - [CVE-2021-42292](https://www.precursorintelligence.com/what-is/cve-2021-42292): Microsoft Excel Security Feature Bypass. High, CVSS 7.8, chance of use in 30 days 43%, known exploited since 17 November 2021. - [CVE-2018-0802](https://www.precursorintelligence.com/what-is/cve-2018-0802): Microsoft Office Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days 93%, known exploited since 3 November 2021. - [CVE-2017-0199](https://www.precursorintelligence.com/what-is/cve-2017-0199): Microsoft Office and WordPad Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2017-11882](https://www.precursorintelligence.com/what-is/cve-2017-11882): Microsoft Office Memory Corruption Vulnerability. High, CVSS 7.8, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2018-0798](https://www.precursorintelligence.com/what-is/cve-2018-0798): Microsoft Office Memory Corruption Vulnerability. High, CVSS 8.8, chance of use in 30 days 95%, known exploited since 3 November 2021. - [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. - [CVE-2019-0541](https://www.precursorintelligence.com/what-is/cve-2019-0541): Microsoft MSHTML Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 53%, known exploited since 3 November 2021. - [CVE-2021-27059](https://www.precursorintelligence.com/what-is/cve-2021-27059): Microsoft Office Remote Code Execution Vulnerability. High, CVSS 7.6, chance of use in 30 days 6.1%, known exploited since 3 November 2021. - [CVE-2012-0158](https://www.precursorintelligence.com/what-is/cve-2012-0158): Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days >99%, known exploited since 3 November 2021. ## Which Office 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-2017-11882](https://www.precursorintelligence.com/what-is/cve-2017-11882): >99%, High (CVSS 7.8), known exploited - [CVE-2017-0199](https://www.precursorintelligence.com/what-is/cve-2017-0199): >99%, High (CVSS 7.8), known exploited - [CVE-2015-1641](https://www.precursorintelligence.com/what-is/cve-2015-1641): 97%, High (CVSS 7.8), known exploited - [CVE-2023-23397](https://www.precursorintelligence.com/what-is/cve-2023-23397): 97%, Critical (CVSS 9.8), known exploited - [CVE-2018-0798](https://www.precursorintelligence.com/what-is/cve-2018-0798): 95%, High (CVSS 8.8), known exploited - [CVE-2024-21413](https://www.precursorintelligence.com/what-is/cve-2024-21413): 95%, Critical (CVSS 9.8), known exploited - [CVE-2018-0802](https://www.precursorintelligence.com/what-is/cve-2018-0802): 93%, High (CVSS 7.8), known exploited - [CVE-2017-8570](https://www.precursorintelligence.com/what-is/cve-2017-8570): 90%, High (CVSS 7.8), known exploited - [CVE-2010-3333](https://www.precursorintelligence.com/what-is/cve-2010-3333): 89%, High (CVSS 7.8), known exploited ## Questions ### How many vulnerabilities does Office have? We track 936 published vulnerabilities listed under the name Office, across 35 versions. The most recent Office flaw added to the known-exploited list is CVE-2009-0238, on 14 April 2026. ### Which Office vulnerabilities are being exploited? 38 are on the list of flaws known to be exploited. The most recently added are CVE-2009-0238, CVE-2012-1854 and CVE-2007-0671. ### Why are newer Office flaws missing from this page? Microsoft also lists Office under more specific names, such as Office Compatibility Pack and Office Long Term Servicing Channel. 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 do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2009-0238, affects 2004, 2008. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Office? Create a Precursor Intelligence account and track Office. 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? 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