Multiple vulnerabilities have been identified in Microsoft Windows, which could be exploited by local attackers to cause a denial of service or gain elevated privileges.
The first issue is caused by an integer underflow in the Windows kernel that does not correctly truncate a 64-bit value to a 32-bit value, which could allow malicious users to execute arbitrary code in kernel mode.
The second vulnerability is caused by a NULL pointer in the Windows kernel when processing certain data passed from user mode, which could allow malicious users to execute arbitrary code in kernel mode.
The third issue is caused by an error in the Windows kernel that does not properly handle certain exceptions, which could allow malicious users to cause the affected system to stop responding.
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