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CVE-2026-8314

HIGH
7.0
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-8314
State
PUBLISHED
Assigner
Rockwell
Reserved
2026-05-11 12:40 UTC
Published
2026-07-14 12:47 UTC
Last updated
2026-07-14 13:21 UTC
Primary CWE
CWE-787
CWE-787 Out-of-bounds write
Vendor / Product
Rockwell Automation / Arena® Simulation
Sources
cve.org  ·  NVD

Severity & Metrics

7.0 HIGH CVSS 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Rockwell Automation Arena® Simulation — V17.00.00 and prior
Weakness (CWE)
CWESourceDescription
CWE-787 cna CWE-787 Out-of-bounds write
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.0 HIGH 4.0 cna CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (1)
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