PT-2026-76871 · S2Opc · S2Opc

CVE-2026-67868

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Published

2026-08-17

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Updated

2026-08-18

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions S2OPC version 1.7.3
Description A heap-based out-of-bounds write occurs during server-side EventFilter handling while processing CreateMonitoredItems. This flaw allows a remote attacker to execute arbitrary code. A heap-based out-of-bounds write is a memory corruption issue where data is written outside the boundaries of a pre-allocated memory block on the heap.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Heap Based Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-67868

Affected Products

S2Opc