How severe is CVE-2026-41288?

CVE-2026-41288 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-41288 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41288?

CVE-2026-41288 affects Watchguard Agent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41288?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-41288 have an EU (EUVD) identifier?

Yes. CVE-2026-41288 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27836.

When was CVE-2026-41288 published?

CVE-2026-41288 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-41288

CVE-2026-41288 is a high-severity vulnerability in Watchguard Agent with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 7.3
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27836
Weakness: CWE-732
Affected product: Watchguard Agent
Published: 2026-05-06
Last modified: 2026-06-17

Description

Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM.

Frequently asked questions

What is CVE-2026-41288?: Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM.
How severe is CVE-2026-41288?: CVE-2026-41288 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-41288 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41288?: CVE-2026-41288 affects Watchguard Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41288?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-41288 have an EU (EUVD) identifier?: Yes. CVE-2026-41288 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27836.
When was CVE-2026-41288 published?: CVE-2026-41288 was published on 2026-05-06 and last updated on 2026-06-17.

References

https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00011

Affected products (1)

cpe:2.3:a:watchguard:agent:*:*:*:*:*:windows:*:*

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