CVE-2026-85927
HighCVSS 7.8Summary
Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
Risk Assessment
Exploitation may allow an attacker to elevate privileges on the system, increasing the risk of full host compromise.
Recommendation
Urgently deploy Microsoft updates for Windows UPnP Device Host and disable the UPnP service if it is not required.
Other vulnerabilities in Windows Universal Plug and Play (UPnP) Device Host
See all- CVE-2026-85918High
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
- CVE-2026-85375High
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
- CVE-2026-85373High
Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
- CVE-2026-32077High
An untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

