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 45 of 198
CVE-2026-35420P3HIGHCVSS 7.8fixed in 10.0.17763.8755≥ 10.0.17763.0, < 10.0.17763.87552026-05-12
CVE-2026-35420 [HIGH] CWE-122 CVE-2026-35420: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50477P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50477 [HIGH] CWE-122 CVE-2026-50477: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-56650P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-56650 [HIGH] CWE-122 CVE-2026-56650: Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate p
Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50484P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50484 [HIGH] CWE-122 CVE-2026-50484: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-58538P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-58538 [HIGH] CWE-122 CVE-2026-58538: Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate pri
Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50363P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50363 [HIGH] CWE-122 CVE-2026-50363: Heap-based buffer overflow in Windows Push Notifications allows an authorized attacker to elevate pr
Heap-based buffer overflow in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50494P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50494 [HIGH] CWE-122 CVE-2026-50494: 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-2026-50417P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50417 [HIGH] CWE-20 CVE-2026-50417: 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-2026-56175P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-56175 [HIGH] CWE-122 CVE-2026-56175: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges local
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-40377P3HIGHCVSS 7.8fixed in 10.0.17763.8755≥ 10.0.17763.0, < 10.0.17763.87552026-05-12
CVE-2026-40377 [HIGH] CWE-122 CVE-2026-40377: Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevat
Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26180P3HIGHCVSS 7.8fixed in 10.0.17763.8644≥ 10.0.17763.0, < 10.0.17763.86442026-04-14
CVE-2026-26180 [HIGH] CWE-122 CVE-2026-26180: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-48814P3HIGHCVSS 7.5fixed in 10.0.17763.7558≥ 10.0.17763.0, < 10.0.17763.75582025-07-08
CVE-2025-48814 [HIGH] CWE-306 CVE-2025-48814: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an u
Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an unauthorized attacker to bypass a security feature over a network.
nvd
CVE-2020-1129P3HIGHCVSS 8.8≥ 10.0.0, < publication2020-09-11
CVE-2020-1129 [HIGH] CVE-2020-1129: <p>A remote code execution vulnerability exists in the way that Microsoft Windows Codecs Library han
A remote code execution vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Exploitation of the vuln
nvd
CVE-2026-50400P3HIGHCVSS 7.8fixed in 10.0.17763.9020≥ 10.0.17763.0, < 10.0.17763.90202026-07-14
CVE-2026-50400 [HIGH] CWE-121 CVE-2026-50400: Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate privil
Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2023-21819P3HIGHCVSS 7.5≥ 10.0.17763.0, < 10.0.17763.40102023-02-14
CVE-2023-21819 [HIGH] CWE-125 CVE-2023-21819: Windows Secure Channel Denial of Service Vulnerability
Windows Secure Channel Denial of Service Vulnerability
nvd
CVE-2025-26634P3HIGHCVSS 7.5fixed in 10.0.17763.6893≥ 10.0.17763.0, < 10.0.17763.68932025-03-11
CVE-2025-26634 [HIGH] CWE-122 CVE-2025-26634: Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privil
Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2022-24533P3HIGHCVSS 8.0≥ 10.0.17763.0, < 10.0.17763.28032022-04-15
CVE-2022-24533 [HIGH] CVE-2022-24533: Remote Desktop Protocol Remote Code Execution Vulnerability
Remote Desktop Protocol Remote Code Execution Vulnerability
nvd
CVE-2023-36594P3HIGHCVSS 7.8≥ 10.0.17763.0, < 10.0.17763.49742023-10-10
CVE-2023-36594 [HIGH] CWE-843 CVE-2023-36594: Windows Graphics Component Elevation of Privilege Vulnerability
Windows Graphics Component Elevation of Privilege Vulnerability
nvd
CVE-2021-40469P3HIGHCVSS 7.2≥ 10.0.0, < 10.0.17763.22372021-10-13
CVE-2021-40469 [HIGH] CVE-2021-40469: Windows DNS Server Remote Code Execution Vulnerability
Windows DNS Server Remote Code Execution Vulnerability
nvd
CVE-2022-21920P3HIGHCVSS 8.8≥ 10.0.17763.0, < 10.0.17763.24522022-01-11
CVE-2022-21920 [HIGH] CVE-2022-21920: Windows Kerberos Elevation of Privilege Vulnerability
Windows Kerberos Elevation of Privilege Vulnerability
nvd