26.001.21789 Out of cycle update, Aug 11, 2026

This release is a hotfix patch for Acrobat DC and Acrobat Reader DC that addresses some important bug fixes.

Track details

This patch is applicable for Acrobat and Reader DC Continuous track.

Available installers

Windows installers (32-bit) (26.001.21789)

Product

Type

Installer

Size

Language

Install over…

Acrobat

Planned update

AcrobatDCUpd2600121789.msp

941.6 MB

All

DC base (32-bit)

Reader

Planned update

AcroRdrDCUpd2600121789.msp

687.3 MB

All

DC base (32-bit)

Reader

Planned update

AcroRdrDCUpd2600121789_MUI.msp

543.9 MB

All

DC base MUI (32-bit)

Windows installers (64-bit) (26.001.21789)

Product

Type

Installer

Size

Language

Install over…

Acrobat

Planned update

AcrobatDCx64Upd2600121789.msp

871.9 MB

All

DC base (64-bit)

Reader

Planned update

AcroRdrDCx64Upd2600121789.msp

730.6 MB

All

DC base (64-bit)

Reader

Planned update

AcroRdrDCx64Upd2600121789_MUI.msp

586.5 MB

All

DC base MUI (64-bit)

Macintosh installers (26.001.21789)

Product

Type

Installer

Size

Language

Install over…

Acrobat

Planned update

AcrobatDCUpd2600121789.dmg

1.1 GB

All

DC base

Reader

Planned update

AcroRdrDCUpd2600121789_MUI.dmg

673.3 MB

All

DC base

Macintosh installers (Unified) (26.001.21789)

Product

Type

Installer

Size

Language

Install over…

Acrobat

Planned update

AcrobatSCADCUpd2600121789.dmg

886.6 MB

All

DC base (Unified)

Reader

Planned update

AcroRdrSCADCUpd2600121789_MUI.dmg

714.6 MB

All

DC base (Unified)

New product features

NA

Enterprise-Centric features

For these features, refer to the Administration Guide.

Security bulletin

NA

Bug fixes

Printing

  • 4589039: Unable to print a PDF file containing a mix of A3 and A4 pages.

Known issues

For a list of current issues, see http://helpx.adobe.com/acrobat/kb/known-issues-acrobat-dc-reader.html.

Technical details

Go to the Release Notes Home for information about the following:

  • How to update

  • Update order

  • Definition of release types

  • System requirements

  • Language Support

  • Compatibility

  • Product end-of-life schedule