CVE-2026-4892: exploitation status and patch state

CVE-2026-4892 · CVSS 8.4 HIGH

A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.

Is CVE-2026-4892 exploited?

• Not in the CISA KEV catalog.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2026-4892

• dnsmasq Flaws Span DNS Poisoning and Local Root (2026-05-13)

Primary sources

• NVD record

What this record does not say

• No EPSS score.
• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.