CVE-2026-67868 Memory corruption in n/a
A heap-based out-of-bounds write in S2OPC allows remote attackers to execute arbitrary code via crafted EventFilter requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67868?
CVE-2026-67868 is a critical memory corruption vulnerability in n/a, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-122
Which versions are affected by CVE-2026-67868?
How do I fix CVE-2026-67868?
No fix has been published for CVE-2026-67868 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-67868 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-67868 exists.
Sources
Also known as GHSA-jrr4-6mjm-2xj8.