How severe is CVE-2026-33570?

CVE-2026-33570 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-33570 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-33570?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33570 have an EU (EUVD) identifier?

Yes. CVE-2026-33570 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29829.

When was CVE-2026-33570 published?

CVE-2026-33570 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-33570

CVE-2026-33570 is a medium-severity vulnerability with a CVSS 3.x base score of 5.7. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v4: 6.9
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29829
Weakness: CWE-863
Published: 2026-05-12
Last modified: 2026-06-17

Description

PowerSYSTEM Center REST API endpoint for devices allows a low privilege authenticated user to access information normally limited by operational permissions.

Frequently asked questions

What is CVE-2026-33570?: PowerSYSTEM Center REST API endpoint for devices allows a low privilege authenticated user to access information normally limited by operational permissions.
How severe is CVE-2026-33570?: CVE-2026-33570 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-33570 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-33570?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33570 have an EU (EUVD) identifier?: Yes. CVE-2026-33570 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29829.
When was CVE-2026-33570 published?: CVE-2026-33570 was published on 2026-05-12 and last updated on 2026-06-17.

References

Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

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