CVE-2026-1507Network attack vector

Unauthenticated service crash via uncaught exception

Published Feb 10, 2026 · Updated Feb 10, 2026

Uncaught exception handling in AVEVA PI Data Archive through 2018 SP3 Patch 7 allows remote attackers to crash core PI services. AVEVA has not published the request, code locus, or invalid operation that raises the exception and escapes handling. No authentication or user interaction is required, and the bounded consequence is interruption of core PI service availability.

CVSS severity7.5
High
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncaught exception handling in AVEVA PI Data Archive through 2018 SP3 Patch 7 allows remote attackers to crash core PI services. AVEVA has not published the request, code locus, or invalid operation that raises the exception and escapes handling. No authentication or user interaction is required, and the bounded consequence is interruption of core PI service availability.

The record

CVE
CVE-2026-1507
Published
Feb 10, 2026
Updated
Feb 10, 2026
Vendor
AVEVA
Product
PI Data Archive
Classifications
CWE-248, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2018_SP3_Patch_7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AVEVA · PI Data Archiveversion=0 <=2018_SP3_Patch_7

Published CVSS scores

8.7ICS-CERTCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-248Uncaught Exception
T1499.004Endpoint Denial of Service: Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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