CVE-2026-20839
Published Jan 13, 2026Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.
- evidence mentions
- 1
- Buzz score
- 11.9
Vendor/product archive
5,527 CVEs tagged to microsoft / windows_server_2016 — 134 Critical, 3,810 High, 1,550 Medium, 33 Low, 0 Unrated.
Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack.
Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.
Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose information with a physical attack.
Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to el…
Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized attacker to disclose information locally.
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.
Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to perform tampering over a network.
Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.
Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.