Microsoft Security Response Center

Use after free in Windows Management Services allows an unauthorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Integer overflow or wraparound in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

**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 sensitive information.

No cwe for this issue in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.

Improper link resolution before file access ('link following') in Microsoft Teams allows an authorized attacker to elevate privileges locally.

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

**According to the CVSS metric, the attack vector is network (AV:N), user interaction is required (UI:R), and privileges required are none (PR:N). What does that mean for this vulnerability?** Exploitation of this vulnerability requires an unauthorized attacker to wait for a user to initiate a connection to a malicious server that the attacker has set up prior to the user connecting.

Improper link resolution before file access ('link following') in XBOX allows an authorized attacker to elevate privileges locally.