What is the CVSS score of CVE-2026-28548?

CVE-2026-28548 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Emui are affected by CVE-2026-28548?

CVE-2026-28548 is a HIGH severity vulnerability affecting email applications through improper verification, potentially compromising the confidentiality of email communications and sensitive data.

How to fix or mitigate CVE-2026-28548?

Within 24 hours: Inventory all affected email systems and disable non-critical email features leveraging the vulnerable verification mechanism; notify all users of the vulnerability and interim restrictions. Within 7 days: Implement network segmentation to restrict email service access to authorized networks only and deploy enhanced logging/monitoring on email systems. Within 30 days: Establish regular communication with the vendor for patch availability, conduct a full security assessment of email infrastructure, and prepare a rollback plan.

Emui CVE-2026-28548

HIGH

Improper Privilege Management (CWE-269)

2026-03-05 psirt@huawei.com

Privilege Escalation Emui Harmonyos

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 05, 2026 - 09:16 nvd

HIGH 7.1

DescriptionCVE.org

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

AnalysisAI

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality. [CVSS 7.1 HIGH]

Technical ContextAI

Classified as CWE-269 (Improper Privilege Management). Affects Emui. Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality.