Patch intelligence record
Adobe Acrobat Pro 26.001.21529
Review the report sources and test before updating deadline-sensitive work.
Current reports mention signing/certificate failure in e signatures, crash or launch failure in application stability, unspecified acrobat issue in Acrobat workflow.
Too few reports for a firm verdict yet — treat this as early evidence.
- Accepted reports
- 4
- Latest evidence run
- Oct 3, 2026
- Healthy sources
- 1 fresh (success / no reports) · need 2
- adobe community algolia search Completed last checked Oct 3, 2026
- adobe community search Source request was blocked last checked Aug 7, 2026
- Reddit Source request was blocked last checked Aug 7, 2026
Monitoring reflects community-evidence collection health for this exact release — an absence of reports is not a safety guarantee, and this is separate from the AUXSAYS verdict.
Vendor Known Issues — No vendor-known issue data captured for this patch.
AUXSAYS has not captured official issue data for this patch. This does not indicate the vendor has no issues. Not counted as community reports.
Official Patch Notes — vendor release notes captured from the official source
Adobe Acrobat Pro 26.001.21529 (Continuous track, Windows, macOS). Release date 2026-05-01. Official Adobe Acrobat release note; applies to Adobe Acrobat Reader + Adobe Acrobat Pro.
Adobe Acrobat Pro in these notes: .
Adobe Acrobat Pro 26.001.21529 (Continuous track, Windows, macOS). Release date 2026-05-01. Official Adobe Acrobat release note; applies to Adobe Acrobat Reader + Adobe Acrobat Pro.
Technical Details
- Released
- May 1, 2026
- File size
- Official source checked
- Aug 19, 2026
- Official notes checked
- Aug 19, 2026
Checksum
Use these hashes to verify downloaded installers match the files published with the official release.
User Reports / Sources (4)
User report sources used for the current read.
- Adobe Community. (2026, May 15). E-Sign / Acrobat Pro Desktop crashes every time I try to add a signature field.. adobe community bug report Issue: signing/certificate failure in e signatures Workflow: e signatures
- Adobe Community. (2026, May 12). Adobe Crashing when using the Fill & Sign Option, Software is up to date/initial files deleted and still won't work. adobe community bug report Issue: crash or launch failure in application stability Workflow: application stability
- Adobe Community. (2026, May 8). Acrobat DC (26.001.21529) crashing with eSignatures. adobe community bug report Issue: signing/certificate failure in e signatures Workflow: e signatures
- Adobe Community. (2026, May 17). Acrobat doesn't open and is creating lots of subprocesses. adobe community bug report Issue: unspecified acrobat issue in Acrobat workflow Workflow: Acrobat workflow
Official sources
- Adobe. (2026, May 1). Adobe Acrobat release notes.release notes
- Adobe. (2026, May 1). Adobe Acrobat security bulletins.security advisory
- Adobe. Download page.download