Quick answers
- Is CVE-2026-81645 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-81645 being exploited in the wild.
- How severe is CVE-2026-81645?
- Medium severity, with a CVSS score of 5.9, published 24 September 2026.
- Which products and versions are affected?
- Huawei Harmonyos 6.1.0.
- Is there a fix for CVE-2026-81645?
- A patch was published on 2026-09: Patch released in Huawei September 2026 security bulletin Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- Am I affected by CVE-2026-81645?
- 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
The vulnerability is an out-of-bounds read in the graphics module of HarmonyOS 6.1.0, triggered by reading memory outside allocated bounds during graphics rendering operations. The attack vector and specific preconditions are not documented, but the impact is limited to denial of service through availability disruption. A patch is available via Huawei's September 2026 security update.
Affected products
- Huawei HarmonyOS 6.1.0
Timeline
- 2026-09-24: disclosed: Published on NVD
- 2026-09: patched: Patch released in Huawei September 2026 security bulletin