CVE-2026-8314Disclosure(rockwellautomation / arena)

LOWCVSS 7.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch rockwellautomation arena systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • arena

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-07-15); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Products
arena

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-07-15: 1Mentions · 2026-07-26: 1Patch / Workaround · 2026-07-26: 1Technical Details · 2026-07-15: 1Technical Details · 2026-07-26: 107-1507-26
Signal classification1 categories
Disclosure
2100.0%
Referenced assets1 URL
Full discourse2 posts
  • TECHEPAGES@techepages
    Disclosure

    Rockwell Automation has disclosed four memory corruption vulnerabilities (CVE-2026-8085, CVE-2026-8312, CVE-2026-8313, CVE-2026-8314) in Arena Simulation affecting versions V17.00.00 and earlier. Organizations using Arena in OT or engineering environments should upgrade to V17.00.01, restrict model files from untrusted sources, and enforce application allowlisting on affected workstations.

    Post summary

    Rockwell Automation publicly discloses four memory‑corruption CVEs for Arena Simulation and advises affected users to upgrade, restrict file sources, and apply allowlisting as mitigations.

    0000045
    33 followersView on X
  • DailyCVE@dailycve
    Disclosure

    🔴 Rockwell Automation Arena Simulation, Memory Corruption (Out-of-Bounds Write), #CVE-2026-8314 (High) -DC-Jul2026-1009 https://dailycve.com/rockwell-automation-arena-simulation-memory-corruption-out-of-bounds-write-cve-2026-8314-high-dc-jul2026-1009/

    Post summary

    CVE-2026-8314 exposes a high‑severity out‑of‑bounds write memory corruption in Rockwell Automation Arena Simulation; the text lists the vulnerability details but does not include PoC, exploit code, active exploitation reports, or patch information.

    0000045
    219 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Approckwellautomationarena---

Explore more