CVE-2026-27915

CWE-416 — Use After Free2 documents2 sources
Severity
7.8HIGH
EPSS
No EPSS data
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
20
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+17 more
Timeline
PublishedApr 14

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages20 packages

▶CVEListV5microsoft/windows_server_20126.2.9200.0 — 6.2.9200.26026
▶CVEListV5microsoft/windows_server_201610.0.14393.0 — 10.0.14393.9060
▶CVEListV5microsoft/windows_server_201910.0.17763.0 — 10.0.17763.8644
▶CVEListV5microsoft/windows_server_202210.0.20348.0 — 10.0.20348.5020
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32690

🔴Vulnerability Details

1
CVEList
Windows UPnP Device Host Elevation of Privilege Vulnerability↗2026-04-14
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CVE-2026-27915 (HIGH CVSS 7.8) | Use after free in Windows Universal | cvebase.io