CVE-2026-67868
Critical
Description
A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter handling during CreateMonitoredItems processing. This allows a remote attacker to execute arbitrary code.
SeverityCritical
CVSS9.8
Exploit probability—
ProductS2OPC
PublishedAug 17, 2026
First seenAug 17, 2026
Weakness typeCWE-122CWE-122
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| S2OPC | 1.7.3 | — |
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