High severity · published Aug 26, 2026
CVE-2026-77532
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…
8.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EE
EdgeMAX EdgeSwitch · Ubiquiti Inc
before 1.12.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77532
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77532
uisp.community.ui.com
https://uisp.community.ui.com/releases/Security-Advisory-Bulletin-068-068/b95ea5e8-1a80-4ffc-ad42-625eae300cc9
More from EdgeMAX EdgeSwitch
7.5
CVE-2025-48978
An Improper Input Validation in EdgeMAX EdgeSwitch (Version 1.11.0 and earlier) could allow a Command Injection by a malicious actor with access to EdgeSwitch adjacent network
7.5
CVE-2025-27211
An Improper Input Validation in EdgeMAX EdgeSwitch (Version 1.10.4 and earlier) could allow a Command Injection by a malicious actor with access to EdgeSwitch adjacent network
