Adobe have released security updates to fix vulnerabilities in their PDF products, Adobe Reader and Adobe Acrobat. Exploiting the vulnerabilities could allow arbitrary code execution in the context of the current user.
Affected versions:
*Acrobat DC and Acrobat Reader DC, continuous track
versions earlier than 2021.001.20135
*Acrobat 2020 and Acrobat Reader 2020, 2020 classic track
versions earlier than 2020.001.30020
*Acrobat 2017 and Acrobat Reader 2017, 2017 classic track
versions earlier than 2017.011.30190
Users of vulnerable versions are instructed to update their versions either by using automatic update functionality or by downloading fresh version manually. The default installation configuration runs automatic updates on a regular schedule and can be manually activated by choosing Help > Check for Updates.
Those who want to upgrade manually, can download the latest versions of the links below:
More information about fixed vulnerability can be read from Adobe's
security bulletin.