CVE intelligence

CVE-2026-74705

Vulnerability intelligence

Published Aug 22, 2026Sources checked Sep 12, 2026

10.0CRITICALCVSS out of 10

What this means

Review the available evidence

CVE-2026-74705 and is rated Critical severity with a CVSS score of 10.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.5%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-74705?

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head, the saved UDP header pointer is no longer valid. Get the UDP header after the pull to avoid a potential use-after-free.