Is CVE-2026-33377 in the CISA KEV catalog?

No. CVE-2026-33377 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-33377?

CVE-2026-33377 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2026-33377?

CVE-2026-33377 has an EPSS score of 0.23% (13th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-33377?

Upgrade GrafanaEnterprise to 11.6.14 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-33377

HIGH

7.1

CVSS v3

NVD

Description

An Editor can overwrite a dashboard not owned by them to acquire admin on that specific dashboard. The user must have write access to the dashboard to escalate privilege.

CWE-287Improper Authentication CWE-284Improper Access Control

How to fix

Remediation Available

GrafanaEnterpriseWindows application

Affected:8.5.0 11.6.14Fixed in:11.6.14Grafana Labs

Affected:12.4.0 12.4.3Fixed in:12.4.3Grafana Labs

Affected:12.2.0 12.2.8Fixed in:12.2.8Grafana Labs

Affected:12.3.0 12.3.6Fixed in:12.3.6Grafana Labs

GrafanaOSSWindows application

Affected:12.3.0 12.3.6Fixed in:12.3.6Grafana Labs

Affected:12.4.0 12.4.3Fixed in:12.4.3Grafana Labs

Affected:8.5.0 11.6.14Fixed in:11.6.14Grafana Labs

Affected:12.2.0 12.2.8Fixed in:12.2.8Grafana Labs

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Exploit Intelligence

0.23%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Vendor Advisory1

grafana.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-02.