CVE-2026-40401 Windows TCP/IP Denial of Service Vulnerability

...

CVE-2026-40401

CVE-2026-40401 describes a null pointer dereference in Windows TCP/IP that can be exploited for local denial of service by an unauthorized attacker. The description in the sources states the vulnerability allows a local, unauthenticated denial of service, with a CVSS v3.1 base score of 7.1 (HIGH)...

CVE-2026-33837 Windows TCP/IP Local Elevation of Privilege Vulnerability

...

CVE-2026-40415 Windows TCP/IP Remote Code Execution Vulnerability

...

CVE-2026-40414 Windows TCP/IP Denial of Service Vulnerability

...

CVE-2026-40406 Windows TCP/IP Information Disclosure Vulnerability

...

CVE-2026-40406

Technical details about CVE-2026-40406 are not publicly available in the provided documents; monitor for updates as additional specifics (affected products, root cause, fixes) may be released.

CVE-2026-40405 Windows TCP/IP Denial of Service Vulnerability

...

CVE-2026-34351 Windows TCP/IP Elevation of Privilege Vulnerability

...

Windows TCP/IP Denial of Service Vulnerability

...

Windows TCP/IP Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows TCP/IP allows an authorized attacker to elevate privileges locally...

CVE-2026-6860

A flaw was found in eclipse-vertx/vert.x. A remote attacker can exploit this vulnerability by performing a Transport Layer Security TLS handshake and presenting a server name extension with a server wildcard name. This can lead to a denial of service DoS condition, impacting the availability of t...

PT-2026-40219

Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network...

Microsoft Windows TCP/IP 竞争条件问题漏洞

Microsoft Windows TCP/IP is a component provided by Microsoft Corporation that offers TCP/IP configuration functions for Windows. There is a vulnerability related to race conditions in Microsoft Windows TCP/IP. Attackers can exploit this vulnerability to gain elevated privileges. The following...

CVE-2026-44997 OpenClaw < 2026.4.22 - Security Envelope Constraint Bypass in ACP Child Sessions

OpenClaw before 2026.4.22 contains a security envelope constraint bypass vulnerability allowing restricted subagents to spawn ACP child sessions that fail to inherit depth, child-count limits, control scope, or target-agent restrictions. Attackers can exploit this by spawning child sessions that...

CVE-2026-44997

OpenClaw before 2026.4.22 contains a security envelope constraint bypass vulnerability allowing restricted subagents to spawn ACP child sessions that fail to inherit depth, child-count limits, control scope, or target-agent restrictions. Attackers can exploit this by spawning child sessions that...

CVE-2026-43383

A flaw was found in the Linux kernel's TCP MD5 signature option. This vulnerability allows a remote attacker to perform timing attacks due to a non-constant-time comparison of Message Authentication Codes MACs. By observing the time taken for MAC comparisons, an attacker could potentially infer...

GHSA-H9HM-M2XJ-4RQ9 Zebra has Permanent Block Discovery Halt via Gossip Queue Saturation and Syncer Poisoning

Summary A composite denial-of-service vulnerability in Zebra's block discovery pipeline allows an unauthenticated remote attacker to permanently halt all new block discovery on a targeted node. The attack exploits three independent weaknesses in the gossip, syncer, and download subsystems — all...

CVE-2026-43384

In the Linux kernel, the following vulnerability has been resolved: net/tcp-ao: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

CVE-2026-43383

CVE-2026-43383 affects the Linux kernel’s TCP MD5 signature handling. The root cause is a non-constant-time MAC comparison, enabling potential timing attacks. The vulnerability is addressed by changing the MAC comparison to a constant-time implementation using the appropriate helper function. The...