Quick answers
- Is CVE-2026-81647 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-81647 being exploited in the wild.
- How severe is CVE-2026-81647?
- Medium severity, with a CVSS score of 5.3, published 9 September 2026.
- Which products and versions are affected?
- Huawei Emui 16.0.0 and earlier; Huawei Harmonyos 6.1.0.
- Is there a fix for CVE-2026-81647?
- A patch was published on 2026-09-05: Security update released for HarmonyOS 6.1.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-81647 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-81647?
- Check whether you run Huawei Emui or 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
This vulnerability is an out-of-bounds read in the graphics module of HarmonyOS, a component responsible for rendering and displaying visual content. An out-of-bounds read occurs when code attempts to access memory beyond the allocated buffer boundaries, potentially exposing sensitive data or causing a denial of service through system crash. The vulnerability affects HarmonyOS 6.1.0 and likely requires local or adjacent network access to trigger. Successful exploitation may lead to information disclosure or availability impact. Huawei has released security updates addressing this issue as of September 2026.
Affected products
- Huawei HarmonyOS 6.1.0
- Huawei EMUI 16.0.0 and earlier
Timeline
- 2026-09-05: disclosed: Vulnerability listed in Huawei security bulletin
- 2026-09-05: patched: Security update released for HarmonyOS 6.1.0