Intel® PROSet/Wireless WiFi Software Advisory-01422

Summary: Potential security vulnerabilities for some Intel® PROSet/Wireless WiFi Software may allow escalation of privileges or denial of service. Intel is releasing software updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2026-20789 Description: Improper...

PT-2026-70301

Name of the Vulnerable Software and Affected Versions IntelR PROSet/Wireless WiFi Software affected versions not specified Description Improper conditions check within Ring 2 device drivers may allow a network adversary to cause a denial of service. This issue can be triggered by an unauthenticat...

PT-2026-70310

Null pointer dereference for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow a denial of service. Network adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via...

PT-2026-70326

Name of the Vulnerable Software and Affected Versions IntelR PROSet/Wireless WiFi Software for Windows affected versions not specified Description Improper buffer restrictions within Ring 0: Kernel may allow a denial of service. An unprivileged, unauthenticated software adversary can trigger this...

PT-2026-70283

Name of the Vulnerable Software and Affected Versions IntelR PROSet/Wireless WiFi Software for Windows affected versions not specified Description A null pointer dereference within Ring 0 the most privileged level of the CPU of the kernel may lead to a denial of service. An unprivileged,...

PT-2026-70312

Out-of-bounds write for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow a denial of service. Network adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via...

CVE-2026-20789: Improper Access Control

Improper access control for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow an escalation of privilege. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable local code execution. This result may...

CVE-2026-20891: Improper Authentication

Improper authentication for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow an escalation of privilege. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable local code execution. This result may...

PT-2026-70288

Name of the Vulnerable Software and Affected Versions IntelR PROSet/Wireless WiFi Software for Windows affected versions not specified Description An improper conditions check within Ring 2: Device Drivers may allow a network adversary to cause a denial of service. This issue can be triggered by ...

PT-2026-70293

Name of the Vulnerable Software and Affected Versions IntelR PROSet/Wireless WiFi Software affected versions not specified Description Improper authentication within Ring 0 the most privileged level of the CPU of the kernel may allow an information disclosure. A system software adversary with...

PT-2026-70302

Out-of-bounds read for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a high complexity attack may enable denial of service. This result may potentially occur via...

CVE-2026-20878: NULL Pointer Dereference

Null pointer dereference for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow a denial of service. Network adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via...

PT-2026-70291

Name of the Vulnerable Software and Affected Versions IntelR PROSet/Wireless WiFi Software affected versions not specified Description Improper conditions check within Ring 2 device drivers may allow a network adversary to cause a denial of service. This issue can be triggered by an unauthenticat...

PT-2026-70313

Name of the Vulnerable Software and Affected Versions IntelR PROSet/Wireless WiFi Software for Windows affected versions not specified Description Improper privilege management within Ring 2: Privileged Process may allow an escalation of privilege. An unprivileged software adversary with an...

CVE-2026-20776: Improper Check for Unusual or Exceptional Conditions

Improper conditions check for some IntelR PROSet/Wireless WiFi Software within Ring 2: Device Drivers may allow a denial of service. Network adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via adjacent...

CVE-2026-20780: Uncontrolled Resource Consumption

Uncontrolled resource consumption for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may...

PT-2026-70327

Use after free for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service. System software adversary with an unauthenticated user combined with a high complexity attack may enable denial of service. This result may potentially occur via local...

PT-2026-70303

Uncontrolled resource consumption for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may...

CVE-2026-22887: Improper Restriction of Operations within the Bounds of a Memory Buffer

Improper buffer restrictions for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially...

PT-2026-70306

Null pointer dereference for some IntelR PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow a denial of service. Network adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via...