Microsoft Windows Server 2025 vulnerabilities

CVE-2026-48564 [HIGH] CWE-122 CVE-2026-48564: Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network.

CVE-2026-58626 [HIGH] CWE-416 CVE-2026-58626: Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

CVE-2026-54121 [HIGH] CWE-285 CVE-2026-54121: Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacke Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.

CVE-2026-50369 [HIGH] CWE-362 CVE-2026-50369: Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privilege Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.

CVE-2026-83578 [CRITICAL] CWE-122 CVE-2026-83578: Integer underflow (wrap or wraparound) in Windows PowerShell allows an unauthorized attacker to exec Integer underflow (wrap or wraparound) in Windows PowerShell allows an unauthorized attacker to execute code over a network.

CVE-2026-68839 [CRITICAL] CWE-20 CVE-2026-68839: Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network.

CVE-2026-77493 [CRITICAL] CWE-415 CVE-2026-77493: Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a n Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

CVE-2026-73010 [CRITICAL] CWE-416 CVE-2026-73010: Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a ne Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.

CVE-2026-69493 [CRITICAL] CWE-122 CVE-2026-69493: Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.

CVE-2026-69715 [CRITICAL] CWE-122 CVE-2026-69715: Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to execute code over a net Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to execute code over a network.

CVE-2026-56190 [CRITICAL] CWE-908 CVE-2026-56190: Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.

CVE-2025-33070 [HIGH] CWE-908 CVE-2025-33070: Use of uninitialized resource in Windows Netlogon allows an unauthorized attacker to elevate privile Use of uninitialized resource in Windows Netlogon allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-70210 [HIGH] CWE-122 CVE-2026-70210: Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to elevate privileges o Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-83643 [HIGH] CWE-121 CVE-2026-83643: Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute co Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.

CVE-2026-69712 [HIGH] CWE-416 CVE-2026-69712: Use after free in Windows Key Distribution Center allows an authorized attacker to execute code over Use after free in Windows Key Distribution Center allows an authorized attacker to execute code over a network.

CVE-2026-69551 [HIGH] CWE-416 CVE-2026-69551: Use after free in Windows DNS allows an authorized attacker to execute code over a network. Use after free in Windows DNS allows an authorized attacker to execute code over a network.

CVE-2026-62818 [HIGH] CWE-416 CVE-2026-62818: Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to exe Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network.

CVE-2026-49178 [HIGH] CWE-122 CVE-2026-49178: Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to exec Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.

CVE-2026-83934 [HIGH] CWE-121 CVE-2026-83934: Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a n Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVE-2026-49179 [HIGH] CWE-77 CVE-2026-49179: Improper neutralization of special elements used in a command ('command injection') in Windows Activ Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized attacker to execute code over a network.