CRITICAL 9.8 Microsoft
CVE-2026-64078
netfilter: x_tables: add and use xtables_unregister_table_exit
Microsoft Security Update 2026-Jul: netfilter: x_tables: add and use xtables_unregister_table_exit
Affected Products
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.152.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.144.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.159.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64078
- https://nvd.nist.gov/vuln/detail/CVE-2026-64078
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-07-14 via Microsoft. Affected: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0, azl3 kernel 6.6.152.1-1 on Azure Linux 3.0, azl3 kernel 6.6.144.1-1 on Azure Linux 3.0 and 2 more.
Risk Timeline
CVE Disclosed2026-07-14 · 111 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64078NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-64078Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2026-110264 | Integer Overflow or Wraparound in GitLab | CRITICAL | 10.0 |
| CVE-2026-94603 | Podman: The `podman run` command can be instructed to disable almost all sandbox | CRITICAL | 10.0 |
| CVE-2026-39821 | Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/ne | CRITICAL | 10.0 |
| CVE-2026-42960 | Possible cache poisoning via promiscuous records for the authority section | CRITICAL | 10.0 |
| CVE-2026-46595 | Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x | CRITICAL | 10.0 |
| CVE-2026-115889 | Wasmtime: Bit-packing in Cranelift compiler causes silent overflow and miscompil | CRITICAL | 9.9 |
vulnfeed aggregates 18371 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.