Microsoft Windows Server 2019 vulnerabilities

3,499 known vulnerabilities affecting microsoft/windows_server_2019.

Total CVEs
3,499
CISA KEV
123
actively exploited
Public exploits
67
Exploited in wild
111
Severity breakdown
CRITICAL104HIGH2454MEDIUM928LOW13

Vulnerabilities

Page 36 of 175
CVE-2025-27467HIGHCVSS 7.8fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27467 [HIGH] CWE-416 CVE-2025-27467: Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally. Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26647HIGHCVSS 8.8fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26647 [HIGH] CWE-20 CVE-2025-26647: Improper input validation in Windows Kerberos allows an authorized attacker to elevate privileges ov Improper input validation in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2025-27485HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27485 [HIGH] CWE-400 CVE-2025-27485: Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an un Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-26648HIGHCVSS 7.8fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26648 [HIGH] CWE-416 CVE-2025-26648: Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker t Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26678HIGHCVSS 8.4fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26678 [HIGH] CWE-284 CVE-2025-26678: Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attack Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attacker to bypass a security feature locally.
nvd
CVE-2025-27473HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27473 [HIGH] CWE-400 CVE-2025-27473: Uncontrolled resource consumption in Windows HTTP.sys allows an unauthorized attacker to deny servic Uncontrolled resource consumption in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-27730HIGHCVSS 7.8fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27730 [HIGH] CWE-415 CVE-2025-27730: Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally. Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-27470HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27470 [HIGH] CWE-400 CVE-2025-27470: Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an un Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-27480HIGHCVSS 8.1fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27480 [HIGH] CWE-416 CVE-2025-27480: Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code ove Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-27731HIGHCVSS 7.8fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27731 [HIGH] CWE-20 CVE-2025-27731: Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26670HIGHCVSS 8.1fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26670 [HIGH] CWE-416 CVE-2025-26670: Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attack Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-26652HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26652 [HIGH] CWE-400 CVE-2025-26652: Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an un Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-27491HIGHCVSS 7.1fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27491 [HIGH] CWE-416 CVE-2025-27491: Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network. Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.
nvd
CVE-2025-26671HIGHCVSS 8.1fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26671 [HIGH] CWE-416 CVE-2025-26671: Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code ov Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-26687HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26687 [HIGH] CWE-416 CVE-2025-26687: Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a network.
nvd
CVE-2025-21204HIGHCVSS 7.8fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-21204 [HIGH] CWE-59 CVE-2025-21204: Improper link resolution before file access ('link following') in Windows Update Stack allows an aut Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26679HIGHCVSS 7.8fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26679 [HIGH] CWE-416 CVE-2025-26679: Use after free in RPC Endpoint Mapper Service allows an authorized attacker to elevate privileges lo Use after free in RPC Endpoint Mapper Service allows an authorized attacker to elevate privileges locally.
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CVE-2025-27469HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27469 [HIGH] CWE-400 CVE-2025-27469: Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-26686HIGHCVSS 7.5fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-26686 [HIGH] CWE-591 CVE-2025-26686: Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
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CVE-2025-27482HIGHCVSS 8.1fixed in 10.0.17763.7136≥ 10.0.17763.0, < 10.0.17763.71362025-04-08
CVE-2025-27482 [HIGH] CWE-591 CVE-2025-27482: Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unaut Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
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Microsoft Windows Server 2019 vulnerabilities | cvebase