# Reader vulnerabilities > Reader is made by Adobe. We track 360 published vulnerabilities listed under that exact name, across 93 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 20 May 2026. Adobe lists newer releases under their own names, such as Reader Xi, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/adobe/reader ## At a glance - **Made by:** [Adobe](https://www.precursorintelligence.com/vendors/adobe) - **Published vulnerabilities:** 360 - **Known to be exploited:** 1 (listed under the name Reader) - **Versions tracked:** 93 - **Most recently added to the known-exploited list:** [CVE-2009-3459](https://www.precursorintelligence.com/what-is/cve-2009-3459), 20 May 2026. We keep watching the list. ## Is Reader listed under other names? Adobe also lists Reader under more specific names, such as Reader Xi. Flaws listed only under those names are counted on their own pages, not here. - [Reader Xi](https://www.precursorintelligence.com/product/adobe/reader_xi): 3 published vulnerabilities ## Which Reader vulnerabilities are being exploited? 1 flaw is on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2009-3459](https://www.precursorintelligence.com/what-is/cve-2009-3459): Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability. High, CVSS 8.8, chance of use in 30 days 87%, known exploited since 20 May 2026. ## Which Reader 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-2009-3459](https://www.precursorintelligence.com/what-is/cve-2009-3459): 87%, High (CVSS 8.8), known exploited - [CVE-2018-16042](https://www.precursorintelligence.com/what-is/cve-2018-16042): 82%, Medium (CVSS 6.5) - [CVE-2011-4373](https://www.precursorintelligence.com/what-is/cve-2011-4373): 30%, Critical (CVSS 9.8) - [CVE-2017-11211](https://www.precursorintelligence.com/what-is/cve-2017-11211): 27%, High (CVSS 8.8) - [CVE-2016-4203](https://www.precursorintelligence.com/what-is/cve-2016-4203): 27%, Critical (CVSS 9.8) - [CVE-2017-11263](https://www.precursorintelligence.com/what-is/cve-2017-11263): 26%, High (CVSS 8.8) - [CVE-2017-2946](https://www.precursorintelligence.com/what-is/cve-2017-2946): 24%, High (CVSS 7.8) - [CVE-2009-1493](https://www.precursorintelligence.com/what-is/cve-2009-1493): 22%, Medium (CVSS 6.8) - [CVE-2016-4201](https://www.precursorintelligence.com/what-is/cve-2016-4201): 21%, Critical (CVSS 9.8) - [CVE-2017-2949](https://www.precursorintelligence.com/what-is/cve-2017-2949): 20%, High (CVSS 7.8) ## Questions ### How many vulnerabilities does Reader have? We track 360 published vulnerabilities listed under the name Reader, across 93 versions. The most recent Reader flaw added to the known-exploited list is CVE-2009-3459, on 20 May 2026. ### Which Reader vulnerabilities are being exploited? 1 is on the list of flaws known to be exploited. The most recently added is CVE-2009-3459. ### Why are newer Reader flaws missing from this page? Adobe also lists Reader under more specific names, such as Reader Xi. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list. ### How do I get alerts for Reader? Create a Precursor Intelligence account and track Reader. 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 Reader? 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