Reader vulnerabilitiesAnd the versions its exploited flaws hit.
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.
The most recent Reader flaw added to the known-exploited list is CVE-2009-3459, on 20 May 2026. We keep watching the known-exploited list.
Is Reader listed under other names? Yes.
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. If you run one of these, open its page for its own exploited flaws.
Which versions of Reader do the exploited flaws hit?
Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.
Which Reader vulnerabilities are being exploited?
1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 8.8Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
Adobe Acrobat and Reader contain a heap-based buffer overflow vulnerability which could allow remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption.
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. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 87%
Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption,...
- 82%CVE-2018-16042Medium
Adobe Acrobat and Reader versions 2019.008.20081 and earlier, 2019.008.20080 and earlier, 2019.008.20081 and earlier, 2017.011.30106 and earlier version, 2017.011.30105 and earlier version, 2015.006.30457 and...
- 30%CVE-2011-4373Critical
Adobe Reader and Acrobat before 9.5, and 10.x before 10.1.2, on Windows and Mac OS X allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different...
- 27%CVE-2017-11211High
Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable heap overflow vulnerability in the JPEG parser.
- 27%CVE-2016-4203Critical
Adobe Reader and Acrobat before 11.0.17, Acrobat and Acrobat Reader DC Classic before 15.006.30198, and Acrobat and Acrobat Reader DC Continuous before 15.017.20050 on Windows and OS X allow attackers to execute...
- 26%CVE-2017-11263High
Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the internal data structure...
- 24%CVE-2017-2946High
Adobe Acrobat Reader versions 15.020.20042 and earlier, 15.006.30244 and earlier, 11.0.18 and earlier have an exploitable heap overflow vulnerability when parsing the segment for storing non-graphic information.
- 22%CVE-2009-1493Medium
The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute...
- 21%CVE-2016-4201Critical
Adobe Reader and Acrobat before 11.0.17, Acrobat and Acrobat Reader DC Classic before 15.006.30198, and Acrobat and Acrobat Reader DC Continuous before 15.017.20050 on Windows and OS X allow attackers to execute...
- 20%CVE-2017-2949High
Adobe Acrobat Reader versions 15.020.20042 and earlier, 15.006.30244 and earlier, 11.0.18 and earlier have an exploitable heap overflow vulnerability in the XSLT engine.
Running Reader? We'll keep checking.
Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.
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1 flaw being exploited affects software Acme tracks
Adobe Acrobat and Reader contain a heap-based buffer overflow vulnerability which could allow remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption.
- Matched to
- Reader on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
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.
1 is on the list of flaws known to be exploited. The most recently added is CVE-2009-3459.
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.
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.