CVE-2026-6787

Usage of a hard-coded cryptographic key in WatchGuard Agent allows inclusion of code into existing process

HIGH

7.8

CVSS Score

Published: May 6, 2026 at 03:46 PM UTC

Updated: October 26, 2026 at 07:10 PM UTC

1 product affected across 1 vendorAgent

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Severity

HIGH7.8

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

Description

Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process.This issue affects WatchGuard Agent: before 1.25.03.0000.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Agent · WatchGuard

95%

v < 1.25.03.00001.0.0.0

Affected range stops below 1.25.03.0000, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory

Source: cverecord

https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00013

Vendor Advisory

Source: cverecord

https://psirt.watchguard.com/CVE-2026-6787

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-321

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