CVE-2026-41286 HIGH

CVE-2026-41286: Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial of Service - Variant B

Vendor Watchguard Technologies
Product WatchGuard Agent
Weakness CWE-121
Published May 6, 2026
Last update May 6, 2026

CVSS base score

7.1/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers. An unauthenticated attacker on the same local network could exploit this vulnerability to crash the agent service.

Key dates

02Disclosure timeline

May 6, 2026 CVE published
May 6, 2026 Record updated