Adobe Acrobat and Reader versions 2019.008.20080 and earlier, 2017.011.30105 and earlier, and 2015.006.30456 and earlier have a ntlm sso hash theft vulnerability. Successful exploitation could lead to information disclosure.
Published: 2018-11-14
Researchers have reported an incomplete fix for CVE-2018-4993, an NTLM credential leaking vulnerability that was supposed to be patched in May 2018. Adobe has now released a complete fix.
https://helpx.adobe.com/security/products/acrobat/apsb18-40.html