CVE-2026-34853 Vulnerability Analysis & Exploit Details

CVE-2026-34853
Vulnerability Scoring

7.7
/10
Very High Risk

Highly exploitable, CVE-2026-34853 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: High
    High-level privileges are required for exploitation.
  • Scope: Changed
    Successful exploitation can impact components beyond the vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2026-34853 Details

Status: Analyzed

Last updated: 🕟 16 Apr 2026, 04:52 UTC
Originally published on: 🕓 13 Apr 2026, 04:16 UTC

Time between publication and last update: 3 days

CVSS Release: version 3

CVSS3 Source

psirt@huawei.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-34853 Vulnerability Summary

CVE-2026-34853: Permission bypass vulnerability in the LBS module. Impact: Successful exploitation of this vulnerability may affect availability.

Assessing the Risk of CVE-2026-34853

Access Complexity Graph

The exploitability of CVE-2026-34853 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-34853

The exploitability of CVE-2026-34853 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-34853, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-34853, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-34853 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2026-34853 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2026-34853 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-34853 References

External References

CWE Common Weakness Enumeration

CWE-270

CAPEC Common Attack Pattern Enumeration and Classification

  • Using Malicious Files CAPEC-17 An attack of this type exploits a system's configuration that allows an adversary to either directly access an executable file, for example through shell access; or in a possible worst case allows an adversary to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.
  • Hijacking a Privileged Thread of Execution CAPEC-30 An adversary hijacks a privileged thread of execution by injecting malicious code into a running process. By using a privleged thread to do their bidding, adversaries can evade process-based detection that would stop an attack that creates a new process. This can lead to an adversary gaining access to the process's memory and can also enable elevated privileges. The most common way to perform this attack is by suspending an existing thread and manipulating its memory.
  • Leverage Executable Code in Non-Executable Files CAPEC-35 An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.

Vulnerable Configurations

  • cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*
  • cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*
    cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*
  • cpe:2.3:o:huawei:harmonyos:4.3.0:*:*:*:*:*:*:*
    cpe:2.3:o:huawei:harmonyos:4.3.0:*:*:*:*:*:*:*
  • cpe:2.3:o:huawei:harmonyos:4.3.1:*:*:*:*:*:*:*
    cpe:2.3:o:huawei:harmonyos:4.3.1:*:*:*:*:*:*:*
  • cpe:2.3:o:huawei:emui:14.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:huawei:emui:14.0.0:*:*:*:*:*:*:*
  • cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*
    cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*
  • cpe:2.3:o:huawei:emui:15.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:huawei:emui:15.0.0:*:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2026-34853: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2026-6494 – A flaw was found in the AAP MCP server. An unauthenticated remote attacker can exploit a log injection vulnerability by sending specially crafted i...
  • CVE-2026-6439 – The VideoZen plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 1.0.1. This is due to insufficient i...
  • CVE-2026-23778 – Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8....
  • CVE-2026-23775 – Dell PowerProtect Data Domain appliances with Data Domain Operating System (DD OS) of Feature Release versions 8.0 through 8.5, LTS2025 release ver...
  • CVE-2025-36568 – Dell PowerProtect Data Domain BoostFS for client of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20,...