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Microsoft Windows Server 2019 vulnerabilities

3,952 known vulnerabilities affecting microsoft/windows_server_2019.

Total CVEs
3,952
CISA KEV
125
actively exploited
Public exploits
113
Exploited in wild
171
Severity breakdown
CRITICAL126HIGH2786MEDIUM1024LOW16

Vulnerabilities

Page 48 of 198
CVE-2026-21236P3HIGHCVSS 7.8fixed in 10.0.17763.8389≥ 10.0.17763.0, < 10.0.17763.83892026-02-10
CVE-2026-21236 [HIGH] CWE-122 CVE-2026-21236: Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized att Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-21246P3HIGHCVSS 7.8fixed in 10.0.17763.8389≥ 10.0.17763.0, < 10.0.17763.83892026-02-10
CVE-2026-21246 [HIGH] CWE-122 CVE-2026-21246: Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26668P3HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26668 [HIGH] CWE-122 CVE-2025-26668: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorize Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
nvd
CVE-2024-43467P3HIGHCVSS 7.5fixed in 10.0.17763.6293≥ 10.0.17763.0, < 10.0.17763.62932024-09-10
CVE-2024-43467 [HIGH] CWE-362 CVE-2024-43467: Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability
nvd
CVE-2024-38262P3HIGHCVSS 7.5fixed in 10.0.17763.6414≥ 10.0.17763.0, < 10.0.17763.64142024-10-08
CVE-2024-38262 [HIGH] CWE-591 CVE-2024-38262: Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability
nvd
CVE-2026-50407P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50407 [HIGH] CWE-122 CVE-2026-50407: Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-45638P3HIGHCVSS 7.8fixed in 10.0.17763.8880≥ 10.0.17763.0, < 10.0.17763.88802026-06-09
CVE-2026-45638 [HIGH] CWE-122 CVE-2026-45638: Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized att Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-49184P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-49184 [HIGH] CWE-122 CVE-2026-49184: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-50482P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50482 [HIGH] CWE-122 CVE-2026-50482: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
nvd
CVE-2026-58640P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-58640 [HIGH] CWE-122 CVE-2026-58640: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
nvd
CVE-2026-50309P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50309 [HIGH] CWE-122 CVE-2026-50309: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
nvd
CVE-2026-54987P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-54987 [HIGH] CWE-122 CVE-2026-54987: Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
nvd
CVE-2023-32056P3CRITICALCVSS 9.8≥ 10.0.17763.0, < 10.0.17763.46452023-07-11
CVE-2023-32056 [CRITICAL] CWE-59 CVE-2023-32056: Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability
nvd
CVE-2021-26863P3HIGHCVSS 7.8≥ 10.0.0, < publication2021-03-11
CVE-2021-26863 [HIGH] CWE-269 CVE-2021-26863: Windows Win32k Elevation of Privilege Vulnerability Windows Win32k Elevation of Privilege Vulnerability
nvd
CVE-2024-38244P3HIGHCVSS 7.8fixed in 10.0.17763.6293≥ 10.0.17763.0, < 10.0.17763.62932024-09-10
CVE-2024-38244 [HIGH] CWE-20 CVE-2024-38244: Kernel Streaming Service Driver Elevation of Privilege Vulnerability Kernel Streaming Service Driver Elevation of Privilege Vulnerability
nvd
CVE-2026-40406P3HIGHCVSS 7.5fixed in 10.0.17763.8755≥ 10.0.17763.0, < 10.0.17763.87552026-05-12
CVE-2026-40406 [HIGH] CWE-416 CVE-2026-40406: Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a netw Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2022-29104P3HIGHCVSS 7.8≥ 10.0.17763.0, < 10.0.17763.29282022-05-10
CVE-2022-29104 [HIGH] CVE-2022-29104: Windows Print Spooler Elevation of Privilege Vulnerability Windows Print Spooler Elevation of Privilege Vulnerability
nvd
CVE-2021-43883P3HIGHCVSS 7.8≥ 10.0.0, < 10.0.17763.23662021-12-15
CVE-2021-43883 [HIGH] CVE-2021-43883: Windows Installer Elevation of Privilege Vulnerability Windows Installer Elevation of Privilege Vulnerability
nvd
CVE-2024-38125P3HIGHCVSS 7.8fixed in 10.0.17763.6189≥ 10.0.17763.0, < 10.0.17763.61892024-08-13
CVE-2024-38125 [HIGH] CWE-197 CVE-2024-38125: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability
nvd
CVE-2021-43893P3HIGHCVSS 7.5≥ 10.0.0, < 10.0.17763.23662021-12-15
CVE-2021-43893 [HIGH] CWE-668 CVE-2021-43893: Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability
nvd
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Microsoft Windows Server 2019 vulnerabilities | cvebase