CVE-2026-6787: Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in E

Q: How do I fix CVE-2026-6787?

agent: upgrade to 1.25.03.0000. Exact commands for each OS are on this page.

Q: Is CVE-2026-6787 being exploited?

CVE-2026-6787 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-6787 affect?

CVE-2026-6787 affects agent. Severity is high (CVSS 7.8). Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process.

Routine

HIGH 7.8UPGRADE

CVE-2026-6787 is a high-severity flaw (CVSS 7.8) affecting agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-321
Published	2026-05-06
Last modified	2026-10-26

Publisher (CNA): WatchGuard Technologies, Inc. · Vendor: watchguard

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-06 16:16 UTCPublished CVE record published
2026-10-26 19:10 UTCUpdated Record last modified

watchguard agent UPGRADE

Affected: < 1.25.03.0000

Fixed in: 1.25.03.0000

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy agent || rpm -q agent || agent --version

2. UPGRADE to 1.25.03.0000 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-6787?

agent: upgrade to 1.25.03.0000. Exact commands for each OS are on this page.

Is CVE-2026-6787 being exploited?

CVE-2026-6787 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-6787 affect?

CVE-2026-6787 affects agent. Severity is high (CVSS 7.8). Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process.

How urgent is CVE-2026-6787?

Priority 28/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2026-41288 HIGH 7.8 UPGRADE Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Wi
CVE-2026-6788 HIGH 7.8 UPGRADE Uncontrolled Search Path Element vulnerability in WatchGuard Agent on Windows allows Using Malicious Files.
CVE-2026-41287 MEDIUM 6.5 UPGRADE Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow
CVE-2026-41286 MEDIUM 6.5 UPGRADE Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow

References

← Back to latest CVEs