High severity · published May 19, 2026
CVE-2026-25781
kernel_liteos_a has an out-of-bounds write vulnerability
8.4
CVSS
0.1%
EPSS
No
On KEV
Description
in OpenHarmony v6.0 and prior versions allow a local attacker cause DOS and it cannot be recovered.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenHarmony · OpenHarmony
v5.0.3 through v6.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25781
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25781
gitcode.com
https://gitcode.com/openharmony/security/tree/master/zh/security-disclosure/2026/2026-05.md
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