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CVE-2026-1507

Uncaught Exception vulnerability in AVEVA PI Data Archive

High8.7EPSS 0.33%
Published
Updated
Reserved
Assigned by
icscert

Description

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.

Scores

CVSS scores of CVE-2026-1507, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)4.0High8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
icscertCNA (assigner)3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Deferred4.0High8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.33% · top 74% of all CVEs (5 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.

Weakness

Affected products

What to do

Solution: AVEVA recommends that organizations evaluate the impact of this vulnerability based on their operational environment, architecture, and product implementation. Users of affected product versions should apply security updates to mitigate the risk of exploit. All impacted versions of PI Data Archive can be fixed by upgrading to PI Server 2024 R2 or later available here: https://softwaresupportsp.aveva.com/en-US/downloads/products/details/8c9b0e8c-eb68-481f-b420-c87a253a4172 . PI Data Archive delivered by PI Server 2018 SP3 Patch 7 and prior can be fixed by upgrading to PI Server 2018 SP3 Patch 8 or higher available here: https://softwaresupportsp.aveva.com/en-US/downloads/products/details/79492560-7e4c-4800-8bd7-40cce61a17d2 . The following general defensive measures are recommended: * Monitor liveness of services listed in your installation’s “\PI\adm\pisrvstart.bat”. * Set the PI Data Archive Subsystem services to automatically restart. * PI Data Archive nodes should limit port 5450 inbound access to trusted workstations, users, and software. For additional information please refer to AVEVA-2026-002( https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV... https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-002.pdf) .

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .