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Vulnerability record · CVE-2026-41287 · published 6 May 2026

CVE-2026-41287: Watchguard agent stack-based buffer overflow vulnerability

Watchguard · Agent

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.

7.1 CVSS 4.0 High EPSS 0.35% · top 74.4% CWE-121 · Stack-based buffer overflow
7.1CVSS 4.0 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
10 Aug 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://psirt.watchguard.com/CVE-2026-41287
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00010 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-41287), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.