What is CVE-2026-64032?

CVE-2026-64032 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-07-19.

How severe is CVE-2026-64032?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-64032

In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix a possible use-after-free when removing a bridge port When per-VLAN multicast snooping is enabled, the bridge iterates over all the bridge ports, disa…

EPSS: 0.002 (6.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 410a033bfa8c7daefbae0225c836693db2149ec1, c6d16eab122744df698f18b47cf771945cd55066, b4c83b37490d61cfdd62a2b29e98a9b89004b5c0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-64032?: CVE-2026-64032 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-07-19.
How severe is CVE-2026-64032?: High severity. CVSS v3 base score is 7.8 out of 10.