CVE-2026-49314 Memory corruption in HarmonyOS
An out-of-bounds write in HarmonyOS rendering module allows attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-49314?
CVE-2026-49314 is a high-severity memory corruption vulnerability in Huawei HarmonyOS, published on 9 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
Weakness: CWE-125
Which versions are affected by CVE-2026-49314?
How do I fix CVE-2026-49314?
No fix has been published for CVE-2026-49314 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-2026-49314 being exploited?
There is no known exploitation of CVE-2026-49314 in the wild and no public exploit code.
Sources
Also known as GHSA-6932-22ww-rh26.