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CVE-2026-27919 · Windows UPnP Device Host Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

Severity
Important
Impact
Elevation of Privilege
CVSS
7.8 base · 6.8 temporal
Release
2026-04-14
Signals
Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-822: Untrusted Pointer Dereference
Patch Diff
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Description
Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
FAQ / Articles
Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
FAQ
What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploited this vulnerability could gain administrator privileges.