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-2026-43383

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...

SUSE CVE-2026-43194

In the Linux kernel, the following vulnerability has been resolved: net: consume xmit errors of GSO frames udpgrofrglist.sh and udpgrobench.sh are the flakiest tests currently in NIPA. They fail in the same exact way, TCP GRO test stalls occasionally and the test gets killed after 10min. These...

CVE-2026-43198

A flaw was found in the Linux kernel. A race condition exists in the TCP Transmission Control Protocol IPv6 Internet Protocol version 6 socket handling, specifically within the tcpv6synrecvsock function. This occurs because a child socket becomes visible in the TCP hash table before its...