Microsoft Windows Server 2019

5284 CVEs affecting Microsoft Windows Server 2019. Latest disclosed: 2026-08-11. Critical: 123, High: 3716.

Top CVEs affecting Microsoft Windows Server 2019
CVESeverityScorePublishedSummary
CVE-2020-1467Critical10.02020-08-17An elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully exploited this vulnerability could over…
CVE-2020-1350Critical10.02020-07-14A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows DNS Server Remote C…
CVE-2019-14678Critical10.02019-11-14SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in multiple ways. Examples are Local File Readi…
CVE-2026-57092Critical9.92026-07-14Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.
CVE-2025-49708Critical9.92025-10-14Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
CVE-2021-26424Critical9.92021-08-12Windows TCP/IP Remote Code Execution Vulnerability
CVE-2021-34458Critical9.92021-07-16Windows Kernel Remote Code Execution Vulnerability
CVE-2021-28476Critical9.92021-05-11Windows Hyper-V Remote Code Execution Vulnerability
CVE-2019-1384Critical9.92019-11-12A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages.To exploit this vulnerability, an a…
CVE-2019-1365Critical9.92019-10-10An elevation of privilege vulnerability exists when Microsoft IIS Server fails to check the length of a buffer prior to copying memory to it.An attacker who su…
CVE-2026-65791Critical9.82026-08-11Heap-based buffer overflow in Windows iSCSI Target Service allows an unauthorized attacker to execute code over a network.
CVE-2026-62893Critical9.82026-08-11Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.
CVE-2026-62878Critical9.82026-08-11Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
CVE-2026-56190Critical9.82026-07-14Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.
CVE-2026-56188Critical9.82026-07-14Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to…
CVE-2026-56159Critical9.82026-07-14Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-50518Critical9.82026-07-14Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-50447Critical9.82026-07-14Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
CVE-2026-49172Critical9.82026-07-14Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network.
CVE-2026-42990Critical9.82026-07-14Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.