#Microsoft Local Security Authority Server (lsasrv)

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited this vulnerability could potentially read small portions of stack memory.

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited this vulnerability could potentially read small portions of stack memory.

**How could an attacker exploit this vulnerability?** An unauthenticated attacker could call a method on the LSARPC interface and coerce the domain controller to authenticate to the attacker using NTLM. This security update detects anonymous connection attempts in LSARPC and disallows it. **Is there more information available on how to protect my system?** Yes. Please see ADV210003 Mitigating NTLM Relay Attacks on Active Directory Certificate Services (AD CS). **Are there further actions I need to take to protect my system after I have applied the security update?** Yes. Please see KB5005413 for more information on the steps that you need to take to protect your system. Please note that the combined CVSS score would be 9.8 when this vulnerability is chained with the noted NTLM Relay Attacks on Active Directory Certificate Services (AD CS). **Should I prioritize updating domain controllers when I apply the security updates released on May 10, 2022?** Yes. This vulnerability affect...

**What type of information could be disclosed by this vulnerability?** The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the contents of Kernel memory. An attacker could read the contents of Kernel memory from a user mode process.

**What type of information could be disclosed by this vulnerability?** The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the contents of Kernel memory. An attacker could read the contents of Kernel memory from a user mode process.

**What type of information could be disclosed by this vulnerability?** The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Kernel memory read - unintentional read access to memory contents in kernel space from a user mode process.