Known vulnerabilities in Microsoft Windows Server 2019
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-49797 | Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-49795 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 8.8 High | Jul 14, 2026 |
| CVE-2026-49796 | Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-49793 | Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-49794 | Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose… | 4.6 Medium | Jul 14, 2026 |
| CVE-2026-49792 | Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-49791 | Improper link resolution before file access ('link following') in Windows Routing and Remote Access Service (RRAS)… | 7.1 High | Jul 14, 2026 |
| CVE-2026-49790 | Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability | 7.3 High | Jul 14, 2026 |
| CVE-2026-49788 | Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a… | 7.5 High | Jul 14, 2026 |
| CVE-2026-49789 | Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.3 High | Jul 14, 2026 |
| CVE-2026-49787 | Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized attacker to deny service… | 7.5 High | Jul 14, 2026 |
| CVE-2026-49183 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clipboard… | 7.0 High | Jul 14, 2026 |
| CVE-2026-49783 | Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a… | 7.8 High | Jul 14, 2026 |
| CVE-2026-49181 | Integer underflow (wrap or wraparound) in Windows DHCP Client allows an unauthorized attacker to elevate privileges over… | 7.5 High | Jul 14, 2026 |
| CVE-2026-49184 | Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally | 8.4 High | Jul 14, 2026 |
| CVE-2026-49180 | Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-49178 | Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a… | 8.8 High | Jul 14, 2026 |
| CVE-2026-48564 | Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network | 8.8 High | Jul 14, 2026 |
| CVE-2026-40378 | Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an… | 7.5 High | Jul 14, 2026 |
| CVE-2026-34348 | Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to disclose information over… | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-44806 | Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker… | 5.3 Medium | Jul 14, 2026 |
| CVE-2026-40400 | Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network | 8.0 High | Jul 14, 2026 |
| CVE-2026-40422 | Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose information locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-41087 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-33842 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… | 5.5 Medium | Jul 14, 2026 |
Other Microsoft products
Windows Server 2019 (Server Core installation) 5648
Windows 10 Version 1809 5349
Windows Server 2022 5112
Windows Server 2016 5051
Windows Server 2016 (Server Core installation) 4847
Windows 10 Version 21H2 4539
Windows 10 Version 1607 4535
Windows Server 2012 R2 4103
Windows 10 Version 22H2 4041
Windows Server 2012 R2 (Server Core installation) 3958
Windows Server 2012 3865
Windows Server 2012 (Server Core installation) 3732