Tech giant Microsoft on Tuesday shipped fixes to quash 64 new security flaws across its software lineup, including one zero-day flaw that has been actively exploited in real-world attacks.

The patches are in addition to 16 vulnerabilities that Microsoft addressed in its Chromium-based Edge browser earlier this month.

“An attacker must already have access and the ability to run code on the target system. This technique does not allow for remote code execution in cases where the attacker does not already have that ability on the target system,” Microsoft said in an advisory.

“An unauthenticated attacker could send a specially crafted IP packet to a target machine that is running Windows and has IPSec enabled, which could enable a remote code execution exploitation,” Microsoft said about CVE-2022-34721 and CVE-2022-34722.

Also resolved by Microsoft are 15 remote code execution flaws in Microsoft ODBC Driver, Microsoft OLE DB Provider for SQL Server, and Microsoft SharePoint Server and five privilege escalation bugs spanning Windows Kerberos and Windows Kernel.

Aside from Microsoft, security updates have also been released by other vendors since the start of the month to rectify dozens of vulnerabilities, including -.