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CVE-2026-27916

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
14/04/2026
Last modified:
22/04/2026

Description

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* 10.0.14393.9060 (excluding)
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* 10.0.14393.9060 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* 10.0.17763.8644 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* 10.0.17763.8644 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* 10.0.19044.7184 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* 10.0.19044.7184 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* 10.0.19044.7184 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* 10.0.19045.7184 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* 10.0.19045.7184 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* 10.0.19045.7184 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* 10.0.22631.6936 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* 10.0.22631.6936 (excluding)
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* 10.0.26100.8246 (excluding)
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* 10.0.26100.8246 (excluding)
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* 10.0.26200.8246 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools