🛡️ CVE-2026-34853 — emui

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs administrative privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: High — administrative rights are needed first.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Changed — a successful attack reaches components beyond the vulnerable one.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-34853 is classified as CWE-270: Privilege Context Switching Error. The product does not properly manage privileges while it is switching between different contexts that have different privileges or spheres of control.

Affected software

CVE-2026-34853 is recorded against 2 packages.

• emui
• harmonyos

Timeline and source

Published on 13 April 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

consumer.huawei.com
consumer.huawei.com

Other advisories for this package

emui has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-28553 (6.9 Medium, published 13 Apr 2026)
• CVE-2026-34859 (5.9 Medium, published 13 Apr 2026)
• CVE-2026-34855 (5.7 Medium, published 13 Apr 2026)
• CVE-2026-34854 (5.7 Medium, published 13 Apr 2026)
• CVE-2026-28552 (6.5 Medium, published 5 Mar 2026)
• CVE-2026-28548 (7.1 High, published 5 Mar 2026)
• CVE-2026-28542 (7.3 High, published 5 Mar 2026)
• CVE-2026-24920 (6.2 Medium, published 6 Feb 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-270: Privilege Context Switching Error) in other software:

• CVE-2025-55210 (7.5 High, published 12 Feb 2026)
• CVE-2025-9408 (8.1 High, published 11 Nov 2025)
• CVE-2025-60721 (7.8 High, published 11 Nov 2025)
• CVE-2025-26499 (6.0 Medium, published 11 Sep 2025)
• CVE-2025-46406 (5.6 Medium, published 10 Jul 2025)
• CVE-2025-49583 (3.5 Low, published 13 Jun 2025)
• CVE-2024-46975 (7.9 High, published 22 Feb 2025)
• CVE-2024-12570 (5.0 Medium, published 16 Dec 2024)

Details

Affected Packages

References