Microsoft Windows Server 2025 vulnerabilities
3,648 known vulnerabilities affecting microsoft/windows_server_2025.
Total CVEs
3,648
CISA KEV
42
actively exploited
Public exploits
32
Exploited in wild
50
Severity breakdown
CRITICAL131HIGH2617MEDIUM891LOW9
Vulnerabilities
Page 63 of 183
CVE-2026-40399P3HIGHCVSS 7.8fixed in 10.0.26100.32772≥ 10.0.26100.0, < 10.0.26100.328602026-05-12
CVE-2026-40399 [HIGH] CWE-121 CVE-2026-40399: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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CVE-2026-34343P3HIGHCVSS 7.8fixed in 10.0.26100.32772≥ 10.0.26100.0, < 10.0.26100.328602026-05-12
CVE-2026-34343 [HIGH] CWE-122 CVE-2026-34343: Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized at
Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83912P3HIGHCVSS 7.8fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-83912 [HIGH] CWE-416 CVE-2026-83912: Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges loc
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
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CVE-2026-85851P3HIGHCVSS 7.8≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-85851 [HIGH] CWE-416 CVE-2026-85851: Use after free in Windows SmartScreen allows an authorized attacker to elevate privileges locally.
Use after free in Windows SmartScreen allows an authorized attacker to elevate privileges locally.
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CVE-2026-58635P3HIGHCVSS 7.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-58635 [HIGH] CWE-77 CVE-2026-58635: Improper neutralization of special elements used in a command ('command injection') in Windows Narra
Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.
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CVE-2026-85833P3HIGHCVSS 7.8fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-85833 [HIGH] CWE-416 CVE-2026-85833: Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate pr
Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
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CVE-2026-85836P3HIGHCVSS 7.8fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-85836 [HIGH] CWE-416 CVE-2026-85836: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-96308P3HIGHCVSS 7.8fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-96308 [HIGH] CWE-416 CVE-2026-96308: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
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CVE-2026-96223P3HIGHCVSS 7.8fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-96223 [HIGH] CWE-416 CVE-2026-96223: Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
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CVE-2026-45641P3HIGHCVSS 7.8fixed in 10.0.26100.32995≥ 10.0.26100.0, < 10.0.26100.329952026-06-09
CVE-2026-45641 [HIGH] CWE-843 CVE-2026-45641: Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthori
Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-87700P3HIGHCVSS 7.8fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-87700 [HIGH] CWE-416 CVE-2026-87700: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
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CVE-2026-49170P3HIGHCVSS 7.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-49170 [HIGH] CWE-285 CVE-2026-49170: Insufficient granularity of access control in Windows StateRepository API allows an authorized attac
Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34333P3HIGHCVSS 7.8fixed in 10.0.26100.32772≥ 10.0.26100.0, < 10.0.26100.328602026-05-12
CVE-2026-34333 [HIGH] CWE-190 CVE-2026-34333: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50688P3HIGHCVSS 7.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50688 [HIGH] CWE-416 CVE-2026-50688: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50490P3HIGHCVSS 7.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50490 [HIGH] CWE-416 CVE-2026-50490: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-54129P3HIGHCVSS 7.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-54129 [HIGH] CWE-416 CVE-2026-54129: Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50307P3HIGHCVSS 7.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50307 [HIGH] CWE-416 CVE-2026-50307: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85322P3HIGHCVSS 7.5fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-85322 [HIGH] CWE-908 CVE-2026-85322: Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthor
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
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CVE-2026-72989P3HIGHCVSS 7.5fixed in 10.0.26100.33438≥ 10.0.26100.0, < 10.0.26100.334382026-09-08
CVE-2026-72989 [HIGH] CWE-908 CVE-2026-72989: Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclos
Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.
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CVE-2026-71330P3HIGHCVSS 7.5fixed in 10.0.26100.33438≥ 10.0.26100.0, < 10.0.26100.334382026-09-08
CVE-2026-71330 [HIGH] CWE-497 CVE-2026-71330: Exposure of sensitive system information to an unauthorized control sphere in Windows Services for N
Exposure of sensitive system information to an unauthorized control sphere in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to disclose information over a network.
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