Kaspersky Secure Connection, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky Security Cloud prior to version 2020 patch E have bug that allows a local user to execute arbitrary code via execution compromised file placed by an attacker with administrator rights. No privilege escalation. Possible whitelisting bypass some of the security products

Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with the timestamps option enabled allow remote attackers to cause a denial of service (connection loss) via a spoofed packet with a large timer value, which causes the host to discard later packets because they appear to be too old.