Vulnerability · Published Mar 5, 2026 · Assigned by huawei
CVE-2026-28540
Medium 4.0
In plain English
A medium-severity security flaw in HarmonyOS from Huawei. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)<0.1%top 99.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out-of-bounds character read vulnerability in Bluetooth. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
Affected products (as reported)
Weakness: CWE-158 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N