Adobe Acrobat Reader updates
From Updates, in the HARD wiki · Updated
This article is about security updates for Adobe Acrobat Reader. For every product, see Updates.
The latest version of Adobe Acrobat Reader is 26.002.21901, which Adobe released on 8 Sep 2026. It fixes 32 security flaws.[1] Adobe rates 21 fixes critical, and attackers study each release to work out what it fixed.
Since June 2026, Adobe has put out 2 Adobe Acrobat Reader security releases.
Should you update your Acrobat Reader?
Yes, this week. Adobe Acrobat Reader 26.002.21901 came out on 8 Sep 2026. None of its 32 fixes is known to be used in attacks yet. Its page lists what each fix covers.
How to update
- Open Acrobat Reader.Choose Help → Check for Updates.
- Let it install.Close any PDFs it asks about; Reader restarts when it’s done.
To see which version you have: Choose Help → About Adobe Acrobat Reader (on a Mac, Acrobat Reader → About): it shows the version.
Every release
Every Adobe Acrobat Reader security release since June 2026, newest first.
| Release | Date | Fixes | Used in attacks |
|---|---|---|---|
| Adobe Acrobat Reader 26.002.21901 | 32 | – | |
| Adobe Acrobat Reader 26.001.21662 | 21 | – |
References
- ^ Adobe. “Adobe security bulletins for Acrobat and Reader”, each release’s notes.