PatchSiren cyber security CVE debrief

CVE-2026-41973 Huawei CVE debrief

CVE-2026-41973 is a permission control vulnerability in calls with a CVSS score of 5.9 and a severity of MEDIUM. The vulnerability was published on 2026-06-09T08:16:27.580Z and last modified on 2026-06-09T13:34:58.997Z. The impact of successful exploitation is limited to availability. The vendor is currently listed as Unknown Vendor, but evidence suggests a potential link to Huawei [resourceLinkAnnotations:ref-4].

Vendor: Huawei
Product: HarmonyOS
CVSS: MEDIUM 5.9
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-09
Original CVE updated: 2026-06-09
Advisory published: 2026-06-09
Advisory updated: 2026-06-09

Who should care

Security teams and administrators responsible for systems or products from the affected vendor should be aware of this vulnerability and take necessary actions to mitigate potential risks.

Technical summary

The vulnerability is described as a permission control issue in calls, which could potentially allow attackers to impact the availability of the affected system or product. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L [resourceLinkAnnotations:nvd].

Defensive priority

MEDIUM

Recommended defensive actions

Review and apply available patches or updates from the vendor [resourceLinkAnnotations:ref-4].
Monitor system logs and network activity for potential exploitation attempts.
Implement additional security controls, such as access restrictions and authentication mechanisms, to reduce the attack surface.

Evidence notes

The vendor is currently listed as Unknown Vendor, but there is evidence suggesting a potential link to Huawei [resourceLinkAnnotations:ref-4].

Official resources

CVE-2026-41973 was published on 2026-06-09T08:16:27.580Z and last modified on 2026-06-09T13:34:58.997Z.