What you need to know
A newly patched zero‑day vulnerability affects certain versions of Adobe Acrobat and Acrobat Reader. If exploited, it could allow an attacker to steal data or take control of a system. Simply opening a specially crafted PDF could trigger the issue.
Why this matters
This vulnerability has been actively exploited since December 2025 and was addressed by Adobe in April 2026. Systems that are not fully updated remain at risk.
What to do now
- Open Acrobat and go to Help → About to check your version.
- The following versions are vulnerable:
- Acrobat DC / Acrobat Reader DC (Windows & macOS): 26.001.21367 and earlier
- Acrobat 2024 (Windows & macOS): 24.001.30356 and earlier
Note: Some systems may have both Acrobat and Acrobat Reader installed—check for both.
The table below shows impacted versions:
|
Product
|
Track
|
Affected Versions
|
Platform
|
|
Acrobat DC
|
Continuous
|
26.001.21367 and earlier
|
Windows & macOS
|
|
Acrobat Reader DC
|
Continuous
|
26.001.21367 and earlier
|
Windows & macOS
|
|
Acrobat 2024
|
Classic 2024
|
24.001.30356 and earlier
|
Windows & macOS
|
If you are running a vulnerable version, please open a Computer Service ticket as soon as possible so the software can be updated.
No action is required if your system is already up to date.