Last checked · Check before installing; only use the official link.
Today: Update needed if you are behind: 1 listed problem is being used in real attacks, and all have a fix.
Last checked . Adobe's free app for opening and signing PDF files.
The minimum safe version
You're covered against everything listed here if you're on Adobe Reader 26.001.21411 or newer.
Where this number comes from:
How to check your version
These steps only look. They do not change anything.
On Windows
Easy way: Open Acrobat Reader > Help (or Menu > Help) > About Adobe Acrobat Reader.
Or type this in PowerShellRead-only. It only reads the version and changes nothing.
(Get-Item "$env:ProgramFiles\Adobe\Acrobat DC\Acrobat\Acrobat.exe").VersionInfo.ProductVersion
On Mac
Easy way: Open Acrobat Reader > Acrobat Reader menu > About Adobe Acrobat Reader.
Or type this in TerminalRead-only. It only reads the version and changes nothing.
mdls -name kMDItemVersion "/Applications/Adobe Acrobat Reader.app"
How to update Adobe Reader
Reader updates itself in the background. You can start it with Help > Check for Updates.
On Windows
- Open Acrobat Reader > Help > Check for Updates.
- Install the update and restart Reader.
- Or download it from get.adobe.com/reader.
On Mac
- Open Acrobat Reader > Help > Check for Updates.
- Install the update and restart Reader.
- Or download it from get.adobe.com/reader.
Official update page Official website
Check before installing, and only use the official link. Never install an "update" from a pop-up, email or ad.
Latest problems (1)
- Adobe Acrobat Reader: a bad PDF could take over your computer, and it was used in real attacks Patched: update now Being attacked now updated Oct 27, 2026
For AI agents
This app as data, with minimum_safe_version: /products/adobe-reader.json. What changed lately: /changes.json. Read-only checks only; ask before installing anything.