Vulnerability · Published Mar 5, 2026 · Assigned by huawei

CVE-2026-28546

Medium 5.9

In plain English

A medium-severity heap buffer overflow 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)5.9Medium

Exploit odds (30 days)<0.1%top 99.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Buffer overflow vulnerability in the scanning module. Impact: Successful exploitation of this vulnerability may affect availability.

Affected products (as reported)

Vendor	Product	Versions
Huawei	HarmonyOS	6.0.0

Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

https://consumer.huawei.com/en/support/bulletin/2026/3/
https://consumer.huawei.com/en/support/bulletinlaptops/2026/3/