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CVE-2026-20890: Escalation of Privilege in Intel(R) PROSet/Wireless WiFi Software for Windows

0
High
VulnerabilityCVE-2026-20890cvecve-2026-20890
Published: 08/11/2026 (08/11/2026, 16:26:59 UTC)
Source: CVE Database V5
Product: Intel(R) PROSet/Wireless WiFi Software for Windows

Description

CVE-2026-20890 is a high-severity escalation of privilege vulnerability in Intel(R) PROSet/Wireless WiFi Software for Windows. It involves improper privilege management within a privileged process (Ring 2), potentially allowing an unprivileged, unauthenticated local attacker to escalate privileges. The attack complexity is high and requires no user interaction or special internal knowledge. The vulnerability may impact system confidentiality, integrity, and availability, with availability being the most affected.

CVSS v4.0

Score 7.1high

Attack Vector
Local
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
High
Subsq. Confidentiality
Low
Subsq. Integrity
Low
Subsq. Availability
High
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/11/2026, 23:58:00 UTC

Technical Analysis

This vulnerability in Intel(R) PROSet/Wireless WiFi Software for Windows arises from improper privilege management in a privileged process running at Ring 2. An unauthenticated, unprivileged local adversary with high attack complexity could exploit this flaw to escalate privileges on the affected system. The vulnerability affects confidentiality, integrity, and availability, with availability impact rated high. No specific affected versions or patches are provided in the available data. No known exploits are reported in the wild.

Potential Impact

The vulnerability may allow an unprivileged local attacker to escalate privileges, potentially impacting system confidentiality and integrity at a low level, and availability at a high level. This could lead to denial of service or other disruptions affecting system availability. No direct evidence of exploitation or broader impact is reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation is provided in the available data. Users should monitor Intel's advisories for updates and apply any released patches promptly.

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Technical Details

Data Version
5.2
Assigner Short Name
intel
Date Reserved
2026-01-29T03:59:56.222Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7b546ebf8831d539106b31

Added to database: 08/11/2026, 16:57:18 UTC

Last enriched: 08/11/2026, 23:58:00 UTC

Last updated: 08/12/2026, 01:35:11 UTC

Views: 5

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