SB20260414145 - Multiple vulnerabilities in Microsoft Windows UPnP Device Host
Published: April 14, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2026-27915)
CWE-ID: CWE-416 - Use After Free
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 compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Windows UPnP Device Host. A local user can gain elevated privileges on the target system.
2) Untrusted Pointer Dereference (CVE-ID: CVE-2026-32077)
CWE-ID: CWE-822 - Untrusted Pointer Dereference
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 escalate privileges the target system.
The vulnerability exists due to untrusted pointer dereference in Windows UPnP Device Host. A local user can gain elevated privileges on the system.
3) Use-after-free (CVE-ID: CVE-2026-27925)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Windows UPnP Device Host. A remote attacker on the local network can disclose sensitive information on the system.
4) Untrusted Pointer Dereference (CVE-ID: CVE-2026-27920)
CWE-ID: CWE-822 - Untrusted Pointer Dereference
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 escalate privileges the target system.
The vulnerability exists due to untrusted pointer dereference in Windows UPnP Device Host. A local user can gain elevated privileges on the system.
5) Use-after-free (CVE-ID: CVE-2026-27916)
CWE-ID: CWE-416 - Use After Free
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 compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Windows UPnP Device Host. A local user can gain elevated privileges on the target system.
6) Use-after-free (CVE-ID: CVE-2026-32156)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Windows UPnP Device Host. A remote attacker can execute arbitrary code on the target system.
7) Use-after-free (CVE-ID: CVE-2026-32075)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/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 compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Windows UPnP Device Host. A local user can gain elevated privileges on the target system.
8) Untrusted Pointer Dereference (CVE-ID: CVE-2026-27919)
CWE-ID: CWE-822 - Untrusted Pointer Dereference
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 escalate privileges the target system.
The vulnerability exists due to untrusted pointer dereference in Windows UPnP Device Host. A local user can gain elevated privileges on the system.
Remediation
Install update from vendor's website.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27915
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32077
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27925
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27920
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27916
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32156
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32075
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27919