Quick answers
- Is CVE-2026-81644 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-81644 being exploited in the wild.
- How severe is CVE-2026-81644?
- Medium severity, with a CVSS score of 4.3, published 9 September 2026.
- Which products and versions are affected?
- Huawei Harmonyos 6.1.0.
- Is there a fix for CVE-2026-81644?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- Am I affected by CVE-2026-81644?
- Check whether you run Huawei Harmonyos at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
CVE-2026-81644 is a denial-of-service vulnerability within HarmonyOS's preview service module. The vulnerability allows successful exploitation to impact system availability. The flaw affects HarmonyOS 6.1.0 across multiple device categories (phones, tablets, and PCs). No information is available in the advisory regarding the specific attack vector, required preconditions, or detailed attack methodology. Patches are expected as part of Huawei's monthly security updates.
Affected products
- Huawei HarmonyOS 6.1.0
Timeline
- 2026-09-05: disclosed
- 2026-09-09: advisory