Known vulnerabilities in Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-20828 | Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose… | 4.6 Medium | Jan 13, 2026 |
| CVE-2026-20826 | Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User… | 7.8 High | Jan 13, 2026 |
| CVE-2026-20824 | Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature… | 5.5 Medium | Jan 13, 2026 |
| CVE-2026-20825 | Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally | 4.4 Medium | Jan 13, 2026 |
| CVE-2026-20822 | Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally | 7.8 High | Jan 13, 2026 |
| CVE-2026-20823 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… | 5.5 Medium | Jan 13, 2026 |
| CVE-2026-20821 | Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized… | 6.2 Medium | Jan 13, 2026 |
| CVE-2026-20820 | Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate… | 7.8 High | Jan 13, 2026 |
| CVE-2026-20817 | Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker… | 7.8 High | Jan 13, 2026 |
| CVE-2026-20818 | Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose… | 6.2 Medium | Jan 13, 2026 |
| CVE-2026-20816 | Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate… | 7.8 High | Jan 13, 2026 |
| CVE-2026-20814 | Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an… | 7.0 High | Jan 13, 2026 |
| CVE-2026-20811 | Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to… | 7.8 High | Jan 13, 2026 |
| CVE-2026-20812 | Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to… | 6.5 Medium | Jan 13, 2026 |
| CVE-2026-20808 | Concurrent execution using shared resource with improper synchronization ('race condition') in Printer Association… | 7.0 High | Jan 13, 2026 |
| CVE-2026-20809 | Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate… | 7.8 High | Jan 13, 2026 |
| CVE-2026-20805 | Exploited Microsoft Windows Information Disclosure Vulnerability | 5.5 Medium | Jan 13, 2026 |
| CVE-2026-20804 | Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally | 7.7 High | Jan 13, 2026 |
| CVE-2026-0386 | Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an… | 7.5 High | Jan 13, 2026 |
| CVE-2026-21265 | Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB | 6.4 Medium | Jan 13, 2026 |
| CVE-2026-20962 | Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to… | 4.4 Medium | Jan 13, 2026 |
| CVE-2025-62221 | Exploited Microsoft Windows Use After Free Vulnerability | 7.8 High | Dec 9, 2025 |
| CVE-2025-54100 | Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an… | 7.8 High | Dec 9, 2025 |
| CVE-2025-64680 | Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally | 7.8 High | Dec 9, 2025 |
| CVE-2025-64679 | Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally | 7.8 High | Dec 9, 2025 |
Other Microsoft products
Windows Server 2019 5745
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