CVE-2025-27128
liteos_a has an UAF vulnerability
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through use after free.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
liteos_a has an UAF vulnerability
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through use after free.
- Record
CVE-2025-27128- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2025-24109
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through use after free.
- Record
EUVD-2025-24109- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xc48-fv99-qvrm
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb...
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through use after free.
- Record
GHSA-xc48-fv99-qvrm- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through use after free.
- Record
CVE-2025-27128- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- 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-2025-27128 is a high vulnerability (CVSS 8.4) in Openatom Openharmony, published August 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.