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CVE-2026-8314

Rockwell Automation Arena® - Memory Corruption Vulnerability

Published: Jul 14, 2026Updated: Jul 15, 2026 Sources: CVE List NVD csafCWE-787
7.3HIGH
NVD MITRE
EPSS Score
0.2%
Top 92.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the siman.exe (Siman) component. The vulnerability stems from improper validation of user-supplied data, which can result in an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process by convincing a user to open a malicious file.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

rockwellautomation
commercial·USaka rockwell automation
arena
ICS / OT / IoT
Rockwell Automation
commercial·USaka arena®, arena simulation, armorstart st
Arena® Simulation
ICS / OT / IoT

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1784.html
rockwellautomation.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-197-01.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-26-197-01
cisa.gov
and 18 more references View all →
News mentions
2

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