Vulnerability · Published Aug 26, 2026 · Assigned by Ubiquiti
CVE-2026-77532
High 8.8
In plain English
A high-severity heap buffer overflow in EdgeMAX EdgeSwitch from Ubiquiti Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 80.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A malicious actor with access to an adjacent network could exploit a Buffer Overflow vulnerability found in a DHCPv6-enabled EdgeMAX EdgeSwitch to initiate a Remote Code Execution on such device.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ubiquiti Inc | EdgeMAX EdgeSwitch | 0 – before 1.12.2 |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H