CVE-2026-20436

MEDIUM
2026-03-02 [email protected]
6.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 02, 2026 - 09:16 nvd
MEDIUM 6.7

Tags

Privilege Escalation Nbiot Sdk

Description

In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00473802; Issue ID: MSV-5970.

Analysis

The Nbiot SDK's wlan STA driver contains a buffer overflow vulnerability due to missing bounds checking that allows privilege escalation from System-level access. An attacker with existing System privileges can exploit this flaw without user interaction to gain elevated permissions. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +34
POC: 0

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CVE-2026-20436 vulnerability details – vuln.today
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