Vulnerabilities (CVE)

Filtered by vendor Microsoft
Filtered by product Windows Server 2025
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Total 972 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-20836 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-15 N/A 7.0 HIGH
Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-20835 1 Microsoft 4 Windows 11 24h2, Windows 11 25h2, Windows Server 2022 23h2 and 1 more 2026-01-15 N/A 5.5 MEDIUM
Out-of-bounds read in Capability Access Management Service (camsvc) allows an authorized attacker to disclose information locally.
CVE-2026-20834 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 4.6 MEDIUM
Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack.
CVE-2026-20833 1 Microsoft 7 Windows Server 2008, Windows Server 2012, Windows Server 2016 and 4 more 2026-01-15 N/A 5.5 MEDIUM
Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.
CVE-2026-20832 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-15 N/A 7.8 HIGH
Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability
CVE-2026-20831 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 7.8 HIGH
Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-20839 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 5.5 MEDIUM
Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.
CVE-2026-20840 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 7.8 HIGH
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-20842 1 Microsoft 8 Windows 10 21h2, Windows 10 22h2, Windows 11 23h2 and 5 more 2026-01-15 N/A 7.0 HIGH
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
CVE-2026-20843 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 7.8 HIGH
Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
CVE-2026-20844 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-15 N/A 7.4 HIGH
Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.
CVE-2026-20847 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 6.5 MEDIUM
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.
CVE-2026-20848 1 Microsoft 13 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 10 more 2026-01-15 N/A 7.5 HIGH
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-20849 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 7.5 HIGH
Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
CVE-2026-20851 1 Microsoft 3 Windows 11 24h2, Windows 11 25h2, Windows Server 2025 2026-01-15 N/A 6.2 MEDIUM
Out-of-bounds read in Capability Access Management Service (camsvc) allows an unauthorized attacker to disclose information locally.
CVE-2026-20852 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-15 N/A 7.7 HIGH
Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
CVE-2026-20854 1 Microsoft 3 Windows 11 24h2, Windows 11 25h2, Windows Server 2025 2026-01-15 N/A 7.5 HIGH
Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.
CVE-2026-20823 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-15 N/A 5.5 MEDIUM
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVE-2026-20824 1 Microsoft 13 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 10 more 2026-01-15 N/A 5.5 MEDIUM
Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-20825 1 Microsoft 10 Windows 10 1809, Windows 10 21h2, Windows 10 22h2 and 7 more 2026-01-15 N/A 4.4 MEDIUM
Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally.
CVE-2026-20826 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-15 N/A 7.8 HIGH
Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-20827 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-15 N/A 5.5 MEDIUM
Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-20828 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-15 N/A 4.6 MEDIUM
Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose information with a physical attack.
CVE-2026-20829 1 Microsoft 10 Windows 10 1809, Windows 10 21h2, Windows 10 22h2 and 7 more 2026-01-15 N/A 5.5 MEDIUM
Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally.
CVE-2026-20830 1 Microsoft 1 Windows Server 2025 2026-01-15 N/A 7.0 HIGH
Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
CVE-2026-20822 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-14 N/A 7.8 HIGH
Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
CVE-2026-20821 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-14 N/A 6.2 MEDIUM
Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized attacker to disclose information locally.
CVE-2026-20820 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-14 N/A 7.8 HIGH
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-20818 1 Microsoft 5 Windows Server 2016, Windows Server 2019, Windows Server 2022 and 2 more 2026-01-14 N/A 6.2 MEDIUM
Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.
CVE-2026-20817 1 Microsoft 8 Windows 10 21h2, Windows 10 22h2, Windows 11 23h2 and 5 more 2026-01-14 N/A 7.8 HIGH
Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-20816 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-01-14 N/A 7.8 HIGH
Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-20815 1 Microsoft 3 Windows 11 24h2, Windows 11 25h2, Windows Server 2025 2026-01-14 N/A 7.0 HIGH
Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
CVE-2026-20814 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-14 N/A 7.0 HIGH
Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-20812 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-14 N/A 6.5 MEDIUM
Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to perform tampering over a network.
CVE-2026-21265 1 Microsoft 13 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 10 more 2026-01-14 N/A 6.4 MEDIUM
Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching expiration, and devices containing affected certificate versions must update them to maintain Secure Boot functionality and avoid compromising security by losing security fixes related to Windows boot manager or Secure Boot. The operating system’s certificate update protection mechanism relies on firmware components that might contain defects, which can cause certificate trust up ...

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CVE-2026-20811 1 Microsoft 6 Windows 11 23h2, Windows 11 24h2, Windows 11 25h2 and 3 more 2026-01-14 N/A 7.8 HIGH
Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
CVE-2026-20809 1 Microsoft 13 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 10 more 2026-01-14 N/A 7.8 HIGH
Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.
CVE-2026-20808 1 Microsoft 4 Windows 11 24h2, Windows 11 25h2, Windows Server 2022 23h2 and 1 more 2026-01-14 N/A 7.0 HIGH
Concurrent execution using shared resource with improper synchronization ('race condition') in Printer Association Object allows an authorized attacker to elevate privileges locally.
CVE-2026-20804 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-01-14 N/A 7.7 HIGH
Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
CVE-2026-0386 1 Microsoft 7 Windows Server 2008, Windows Server 2012, Windows Server 2016 and 4 more 2026-01-14 N/A 7.5 HIGH
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.