CVE-2026-81644
DoS vulnerability in the preview service module. Impact: Successful exploitation of this...
DoS vulnerability in the preview service module. Impact: Successful exploitation of this vulnerability may affect availability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
DoS vulnerability in the preview service module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
CVE-2026-81644- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-264
- Updated
- 2026-11-02
EUVDEUVD-2026-74599
DoS vulnerability in the preview service module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
EUVD-2026-74599- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p4hv-25pv-2j2g
DoS vulnerability in the preview service module. Impact: Successful exploitation of this...
DoS vulnerability in the preview service module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
GHSA-p4hv-25pv-2j2g- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
NVD
DoS vulnerability in the preview service module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
CVE-2026-81644- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-264
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-81644 is a medium vulnerability (CVSS 4.3) in Huawei Harmonyos, published September 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. No source names a fixed version.