Autor: Peter Leibling

Heap-based buffer overflow in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to elevate privileges locally.

[CVE-2026-21637](https://www.cve.org/CVERecord?id=CVE-2026-21637) is regarding a vulnerability in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths (tlsClientError and error), causing either immediate process termination or silent file descriptor leaks that…
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Concurrent execution using shared resource with improper synchronization (‚race condition‘) in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Concurrent execution using shared resource with improper synchronization (‚race condition‘) in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

This CVE has been updated to include new package information

Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.

Access of resource using incompatible type (‚type confusion‘) in Windows COM allows an authorized attacker to disclose information locally.