Huawei Screen Manager UAF Causing Availability Impact
CVE-2026-34849 Published on April 13, 2026

UAF vulnerability in the screen management module. Impact: Successful exploitation of this vulnerability may affect availability.

NVD

Vulnerability Analysis

CVE-2026-34849 can be exploited with local system access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
LOW

Weakness Type

What is a Race Condition Vulnerability?

The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

CVE-2026-34849 has been classified to as a Race Condition vulnerability or weakness.


Products Associated with CVE-2026-34849

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Huawei Harmonyos
 

Affected Versions

Huawei HarmonyOS:

Exploit Probability

EPSS
0.01%
Percentile
0.33%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.