CVE-2026-58558 Missing authorization in EMUI
Attackers can bypass file system permission controls to access confidential data on Huawei EMUI and Harmony OS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-58558?
CVE-2026-58558 is a high-severity missing authorization vulnerability in Huawei EMUI, published on 15 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Permission control vulnerability in the file system. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
Weakness: CWE-840
Which versions are affected by CVE-2026-58558?
How do I fix CVE-2026-58558?
No fix has been published for CVE-2026-58558 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-58558 being exploited?
There is no known exploitation of CVE-2026-58558 in the wild and no public exploit code.
Sources
Also known as GHSA-mf3r-chcf-vcm7.