SB2026081832 - Multiple vulnerabilities in Intel PROSet/Wireless WiFi
Published: August 18, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 14 vulnerabilities.
1) Improper access control (CVE-ID: CVE-2026-20789)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 8.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A local attacker can execute arbitrary code with elevated privileges on the system.
2) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-20776)
CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper conditions check. A remote attacker on the local network can send specially crafted data to the application and perform a denial of service (DoS) attack.
3) Improper access control (CVE-ID: CVE-2026-20741)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A local attacker can bypass implemented security restrictions and perform a denial of service (DoS) attack.
4) Out-of-bounds read (CVE-ID: CVE-2026-20749)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 7.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a boundary condition. A remote attacker on the local network can trigger an out-of-bounds read error and perform a denial of service (DoS) attack, leading to privilege escalation.
5) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-20739)
CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper conditions check. A remote attacker on the local network can send specially crafted data to the application and perform a denial of service (DoS) attack.
6) Out-of-bounds write (CVE-ID: CVE-2026-20745)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker on the local network can trigger an out-of-bounds write and perform a denial of service (DoS) attack.
7) NULL pointer dereference (CVE-ID: CVE-2026-20878)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker on the local network can pass specially crafted data to the application and perform a denial of service (DoS) attack.
8) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-20747)
CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper conditions check. A remote attacker on the local network can send specially crafted data to the application and perform a denial of service (DoS) attack.
9) NULL pointer dereference (CVE-ID: CVE-2026-20787)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker on the local network can pass specially crafted data to the application and perform a denial of service (DoS) attack.
10) Buffer overflow (CVE-ID: CVE-2026-20795)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error. A remote attacker on the local network can trigger memory corruption and cause a denial of service condition on the target system.
11) Out-of-bounds write (CVE-ID: CVE-2026-20886)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 6.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker on the local network can trigger an out-of-bounds write and perform a denial of service (DoS) attack.
12) Resource exhaustion (CVE-ID: CVE-2026-20780)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A local attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
13) Information disclosure (CVE-ID: CVE-2026-20737)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A local attacker can gain unauthorized access to sensitive information on the system.
14) Improper Authentication (CVE-ID: CVE-2026-20891)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A local attacker can bypass authentication process and gain elevated privileges on the system.
Remediation
Install update from vendor's website.