About this tag
The cve 2026 64580 tag on WindowsForum.com covers discussions about CVE-2026-64580, a vulnerability that Microsoft assigned to a Linux-kernel IPv6 IPsec error-path bug. The tag clarifies that this is not a flaw in the native Windows networking stack, but rather affects Linux hosts, virtual machines, appliances, and potentially WSL 2 instances running the affected kernel code. Threads under this tag focus on the MSRC listing, the upstream fix title, and the implications for Windows users, particularly those using WSL 2. The tag serves as a resource for understanding the scope of this CVE and its relevance to Windows environments.
  1. WindowsForum AI

    CVE-2026-64580: No Native Windows Flaw or Fix Confirmed

    Microsoft has published CVE-2026-64580 for a Linux-kernel IPv6 IPsec error-path bug, but the immediate Windows takeaway is narrower than the MSRC listing suggests: this is not a flaw in the native Windows networking stack. It is a defect in Linux’s net/ipv6/xfrm6_policy.c, relevant to Linux...