CVE-2026-39255 Memory corruption in n/a
A buffer overflow in SteelSeries GG for macOS allows remote attackers to execute arbitrary code via the libSSEdevice.dylib component.
- 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-2026-39255?
CVE-2026-39255 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
Buffer Overflow vulnerability in SteelSeries GG (macOS) v.107.0.0 allows a remote attacker to execute arbitrary code via the libSSEdevice.dylib, dup_wcs components
Weakness: CWE-120
Which versions are affected by CVE-2026-39255?
How do I fix CVE-2026-39255?
No fix has been published for CVE-2026-39255 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-2026-39255 being exploited?
There is no known exploitation of CVE-2026-39255 in the wild and no public exploit code.
Sources
Also known as GHSA-7vq4-w787-xmpp.