Adobe has posted an update to address Vulnerability-related.PatchVulnerability 85 CVE-listed security vulnerabilities in Acrobat and Reader for both Windows and macOS . The PDF apps have received Vulnerability-related.PatchVulnerability a major update that includes dozens of fixes for flaws that would allow for remote code execution attacks if exploited Vulnerability-related.DiscoverVulnerability . Other possible attacks include elevation of privilege flaws and information disclosure vulnerabilities . Fortunately , Adobe said that none of the bugs was currently being targeted in the wild - yet . For Mac and Windows Acrobat/Reader DC users , the fixes will be present Vulnerability-related.PatchVulnerability in versions 2019.008.20071 . For those using the older Acrobat and Reader 2017 versions , the fix will be labeled Vulnerability-related.PatchVulnerability 2017.011.30105 . Because PDF readers have become such a popular target for email and web-based malware attacks , users and admins alike would do well to test and install the updates as soon as possible . Exploit-laden PDFs have for more than a decade proven to be one of the most reliable ways to put malware on someone 's machine . In total , Adobe credited 19 different researchers with discovering Vulnerability-related.DiscoverVulnerability and reporting Vulnerability-related.DiscoverVulnerability the vulnerabilities . Among the more prolific bug hunters were Omri Herscovici of CheckPoint Software , who was credited for finding Vulnerability-related.DiscoverVulnerability and reporting Vulnerability-related.DiscoverVulnerability 35 CVE-listed bugs , and Ke Liu and Tencent Security Xuanwu Lab , who was credited with finding Vulnerability-related.DiscoverVulnerability 11 of the patched Adobe vulnerabilities . Beihang University 's Lin Wang was given credit for nine vulnerabilities . While we 're on the subject of massive security updates , both users and admins will want to mark their calendars for a week from Tuesday . October 9 is slated to be this month 's edition of the scheduled 'Patch Tuesday ' monthly security update .