CVE-2026-24921 Information disclosure in HarmonyOS
An address read vulnerability in the HarmonyOS HDC module allows attackers to compromise confidentiality and availability.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-24921?
CVE-2026-24921 is a medium-severity vulnerability in Huawei Harmonyos, published on 6 Feb 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
Address read vulnerability in the HDC module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
Weakness: CWE-125
Which versions are affected by CVE-2026-24921?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2026-24921?
No fix has been published for CVE-2026-24921 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-24921 being exploited?
There is no known exploitation of CVE-2026-24921 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-pqx7-gr66-v8pw.