What is the CVSS score of CVE-2026-1507?

CVE-2026-1507 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-1507?

Within 24 hours: Identify all internet-exposed PI service instances and document current network access paths. Within 7 days: Implement network segmentation to restrict PI service access to authorized users only, and enable detailed logging for exception events. Within 30 days: Establish a daily monitoring cadence for vendor patch releases and prepare an expedited deployment plan upon availability.

CVE-2026-1507

HIGH

Uncaught Exception (CWE-248)

2026-02-10 ics-cert@hq.dhs.gov

Denial Of Service

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 10, 2026 - 21:16 nvd

HIGH 7.5

DescriptionCVE.org

The affected products are vulnerable to an uncaught exception that could allow an unauthenticated attacker to remotely crash core PI services resulting in a denial-of-service.

AnalysisAI

Unauthenticated attackers can crash core PI services through an unhandled exception vulnerability accessible over the network, causing denial-of-service without authentication or user interaction required. This high-severity flaw (CVSS 7.5) impacts availability of affected PI deployments with no patch currently available.

Technical ContextAI

The affected products are vulnerable to an uncaught exception that could allow an unauthenticated attacker to remotely crash core PI services resulting in a denial-of-service.