SB2025081288 - Multiple vulnerabilities in Microsoft Windows Push Notifications Apps

Description

This security bulletin contains information about 4 vulnerabilities.

1) Type Confusion (CVE-ID: CVE-2025-53726)

CWE-ID: CWE-843 - Type confusion

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to excalate privileges on the system.

The vulnerability exists due to a type confusion error in Windows Push Notifications Apps. A local user can pass specially crafted data to the application, trigger a type confusion error and gain elevated privileges on the target system.

2) Type Confusion (CVE-ID: CVE-2025-50155)

CWE-ID: CWE-843 - Type confusion

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to excalate privileges on the system.

The vulnerability exists due to a type confusion error in Windows Push Notifications Apps. A local user can pass specially crafted data to the application, trigger a type confusion error and gain elevated privileges on the target system.

3) Type Confusion (CVE-ID: CVE-2025-53724)

CWE-ID: CWE-843 - Type confusion

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to excalate privileges on the system.

The vulnerability exists due to a type confusion error in Windows Push Notifications Apps. A local user can pass specially crafted data to the application, trigger a type confusion error and gain elevated privileges on the target system.

4) Type Confusion (CVE-ID: CVE-2025-53725)

CWE-ID: CWE-843 - Type confusion

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to excalate privileges on the system.

The vulnerability exists due to a type confusion error in Windows Push Notifications Apps. A local user can pass specially crafted data to the application, trigger a type confusion error and gain elevated privileges on the target system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53726
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50155
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53724
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53725